Copyright 2018 James Marsh
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Fly Fishing On The Gallatin River In
Montana (Outside Yellowstone
The Gallatin River begins at Gallatin Lake, which is
located high in the mountains of the Gallatin Range
inside Yellowstone National Park. It is over one-hundred
miles long. Most of the river lies outside of the park. The
Gallatin eventually helps form the Missouri River along
with the Jefferson and Madison Rivers.
Throughout its length, inside and outside of the park,
the Gallatin River offers a variety of water, good
access,and some of the most beautiful scenery Montana
has to offer. Fly fishing the Gallatin River is as good as
fly fishing gets.
The Gallatin River runs for more than twenty-five miles
in Yellowstone National Park. This section of our site
provides the details about the National Park section of
the Gallatin River.
After the river leaves Yellowstone National Park, it flows
mostly through public property for over forty-miles. The
section in the park is surrounded by mountains but not
steep and rugged. Once the river leaves the park it
flows through steep mountains and canyons. There are
plenty of whitewater sections, especially downstream of
Big Sky. Highway #191 closely follows the river for that
entire distance. Access to the river couldn't be any
better. There are numerous pull offs along the highway.
Shortly after the river leaves the park boundaries, it
enters a canyon section that is about three miles long.
We have never been able to tell much difference in the
size of the fish in this section of the river from those in
the park. They probably average twelve inches with a
larger one showing up every once in a while.
From the canyon it flows into Lower Basin, a valley,
before it reaches the town of Big Sky. The West Fork of
the Gallatin River joins it before it leaves the valley and
drops into a very long canyon that is over twenty miles
Floating the Gallatin River upstream of the confluence of
the East Gallatin River isn't allowed. Seventy-five miles
of it must be fished from the bank or by wading. This
makes the Gallatin River a wading anglers dream stream.
Forty miles of the Gallatin outside the park flows through
mountainous terrain before it reaches the valley. The
lower section from the mountains through the valley to
Boseman flows mostly through private property. There's
several access sites along this section but it is limited.
The river's decline is lower and the flows slow down. It
also becomes warmer during the Summer months.
The East Fork of the Gallatin River joins in on the flow
about thirty miles below the mountains. Floating is
allowed in this section of the river all the way to the
Missouri River. There's only a few access points along
this section of the river.
Gallatin River Montana
100% Satisfaction Guaranteed
Photo Courtesy Steven Lamb
Photo Courtesy Steven Lamb
Fly Fishing Guide to the Gallatin River:
The first section of the Gallatin River outside
of Yellowstone National Park flows almost
exclusively through public land. It is followed
very closely by Highway #191. During May
and June, the runoff affects the river,
especially below the Taylors Fork confluence.
It is sometimes a week into the month of July
before the river clears up enough for good
From Big Sky downstream to the Spanish
Creek Bridge, the banks of the Gallatin River
is lined with forest. It is one more beautiful
place to fish. The river rapidly flows through
the canyons. It is pocket water fishing at its
very best. There are many large boulders
and steep declinations, plunges and plenty
whitewater section with rapids. It sometimes
gets very narrow and almost impossible to
fish in places. Some areas are more popular
for whitewater enthusiasts than anglers.
Wading the canyon section is often difficult
and sometimes impossible. The current is
very strong and can easily sweep an angler
off their feet before they know what's
happening. Felt wading shoes and a wading
staff are highly recommended. Its a good idea
to have someone along with you. High
sticking is a popular method of fishing in this
section of the river.
Seasons follow the general Montana fishing
Fly fishing the Gallatin River during winter
is possible on the better, warmer days.
Spring would be okay, before and after the
From the Spanish Creek Bridge
downstream to Three Forks, the Gallatin
River flows much slower. It flows through a
wide open, agricultural valley. There are
runs, riffles and a few pools. It has one
main advantage over the upstream
sections. The trout are larger.
The flows of the Gallatin River in this
section often depend on how much water
is being used for irrigation. The best
fishing and flows are usually found
upstream of the Shedds Bridge Access
site. The river is much easier to wade
because of the slow flows. Access is far
less plentiful though and is mostly
available at the bridges.
The very lowest section of the Gallatin
River, the last twelve miles above Three
Forks, has very little access. However, it
can be floated.
The Gallatin River is one river that you can
almost always find a place to fish without
seeing another angler. If the drive up
highway 191 doesn't give you a heart
attack, the river may very well do it. I'm
kidding, of course, but there's some truth
in the statement. It's a dangerous highway.
Never-the-less, fly fishing the Gallatin
River is one exciting experience.
Gallatin River Hatches and Trout Flies
Our information on aquatic insects is based
on our stream samples of larvae and
nymphs, not guess work. We base fly
suggestions on imitating the most plentiful
and most available insects and other foods
at the particular time you are fishing. Unlike
the generic fly shop trout flies, we have
specific imitations of all the insects in the
Gallatin River and in all stages of life that are
applicable to fishing. If you want to fish
better, more realistic trout flies, have a much
higher degree of success, give us a call. We
not only will help you with selections, you will
learn why, after trying Perfect Flies, 92% of
the thousands of our customers will use
You will find a early season Blue-winged
Olive hatch during June and a late season
one that starts in late September and early
October. Don't overlook them because when
they are hatching, they are often by
Little Black Caddis, called the Mother's Day
Hatch in the West, may be hatching when the
season first starts. You may want to be
prepared for it if you fish during early June.
PMDs, or Pale Morning Duns are the most
consistent of the mayflies on the Gallatin
River in the park. They start hatching about
the Middle of June and last almost through
the month of August into early September.
Spotted Sedges are very plentiful. They start
hatching around the first week of July and
last through August. Green Sedges are very
plentiful. Imitations of their larvae, called
Green Rock Worms, will catch trout all during
the season. These caddisflies hatch from
about the middle of June all the way through
September and into October. There are
several species of them. Little Short-Horned
Sedges hatch from about the middle of July
until the middle of August.
Little Sisters are fairly plentiful and usually
start hatching about the end of July. They
last for about three weeks. Little Brown
Caddis are also fairly plentiful. They begin
hatching about the middle to the end of July
and last about two weeks.
Green Drakes hatch from about the third or
forth week of June for about three weeks.
The weather and water temperature can
vary this hatch a week or two and even
more some years. It is not very heavy but
they do hatch on the Gallatin. Flavs, or
Small Western Green Drakes start hatching
about the middle of July and last almost a
month. They are only fairly plentiful.
Salmonflies are present in the Gallatin
River, but not in huge quantities inside the
park section. They are far more plentiful in
the canyon section outside the park. They
start hatching about the first to the middle of
July and last around a couple of weeks.
Golden Stoneflies will start hatching about
the same time as the Salmonflies, or just a
little past the time they hatch. Yellow Sallies,
or Little Yellow Stoneflies, are plentiful and
hatch about the middle of July until the
second week in August.
You will find Pink Ladies, or the Eperous
species, hatching from about the last week
of July through August. March Browns start
hatching about the same time and last
Grasshoppers, ants and beetles are very
plentiful. The high grass and shrubs along
the banks of the stream are a perfect
habitat for them. Imitations of these insect
will work during July, August and most of
Streamers that imitate sculpin work great in
the Gallatin. You should use them early in
the season when the water is still cold,
anytime it is slightly stained from heavy rain
and during low light conditions such as early
and late in the day.
Our "Perfect Flies" have been tested
extensively on this river and have proven to
be more effective than any of the generic or
attractor flies. If you haven't tried them
already, we certainly hope you will. We have
specific imitations of everything that hatches
on the Gallatin River in all stages of life that
trout eat them in.
The Summer would be best for fishing the
Early Fall presents some good
|Options For Selecting Flies:
1. Email us (firstname.lastname@example.org)
with the dates you will be fishing this
stream and we will send you a list of our
fly suggestions. Please allow up to 24
hours for a response.
2. Call us 800-594-4726 and we will help
you decide which flies you need.
3. Email us (email@example.com)
with a budget for flies and we will select
them to match the budget and get them to
you in time for your fly fishing trip.
All orders are shipped free in the
U. S. Orders over $50 are shipped via
Headlines: This is what everyone
has been waiting for. The stream
levels are down and the water clear
in all sections of the river from
Yellowstone National Park to the
lowest section of the river. We are
getting good reports from all
sections.Keep track of the latest
strategies, flies to use, stream levels
and weather by checking the above
linked Gallatin River fishing report.
Gallatin River Map
01/05/16 Some anglers think ou cannot catch trout when the weather and water is as cold as
it is now, but you can. It is not uncommon to see trout sipping midges from the surface in the
early afternoon hours. We generally recommend the pupa and larva fished in tandem, but
midges do hatch during the winter and the dry midge fly will sometimes work good.
01/12/16 You might be able to catch some trout on the lowest end of the river. The stream
levels are in good shape. Getting up to the water with the deep snow may be a bigger
problem. Midges and Winter stonefly nymphs are the insects you need ot imitate. The White
Belly sculpin may work good with all the cloud cover.
01/19/16 The weather is going to be much warmer than it has been but don't let that fool you.
The water temperature will be about the same and that is 36 degrees at the highest point in
the lowest section of the river. The warmer weather brings snow and rain and melting snow
keep the water temperature down.
01/26/16 The Gallatin is still very cold but you have a chance to catch some trout in the lowest
section on Midges and Winter stonefly nymphs. You do have to fish the slack curren, mostly in
holes in the bottom, deep pockets and other areas out of the main current. Fish the midge
pupa and larva in tandem with the lava the bottom fly.
02/02/16 As mentioned in the attached report, the Gallatin is too cold to fish anywhere but
maybe the lowest section the river exist. The water temperature there is only 35 to 36
degrees. There is a lot of slush ice in the river from the middle section up stream. If you do
fish, midges is the only way to go.
02/09/16 The Gallatin is still cold but there is going to be a little break in the very cold
temperatures this coming week. It may warm the water a degree or two and make the trout
wake us a little. Fish midge imitations (larva and pupa) in holes in the bottom out of the fast
current. You may find a hatch of midges about early to mid afternoon but don't waste time on
top unless you do.
02/16/16 You may find some warmer water near the confluence of the spring water in the Big
Sky area of the river. It helps warm the water a little and sometimes, a little makes a big
difference at this time of the year. Midges, both creams and reds, are the insects you need to
imitate. There are little Winter stoneflies still hatching as well.
02/23/16 The weather continues to be warmer than normal. So far, the warm weather has
melted a lot of snow and ice in the watershed and that has tended to keep the water
temperature down. The warmest water is still near the springs in the Big Sky area. Midges and
winter stoneflies are still the most important insects to imitate.
03/01/16 The weather is continuing to be warm but with that comes snow and rain, mostly
rain. The levels will probably increase, so what that. Midges are hatching and those that are
using the right flies and strategies are catching some trout on the surface. The preferred
section is still the area near Big Sky where the water from springs enter the river.
03/08/16 The river continues to flow at a good stream level but it is still very cold. Melting
snow, thanks to the warmer weather, is keeping the water temperature down. We are still
recommending fishing near the confluence of the spring water at Big Sky. Blood midges (red)
and cream midges are both hatching good.
03/15/16 I guess everyone has heard about the 35 million gallon sewage spill at Big Sky into
the Gallatin. The health department is saying it poses no threat to the fish or anything but we
are not sure of what the consequences may be. I do know fish are still being caught and I do
know I would want to eat any of them. The river is at a good level and midges are sill the most
important insect to imitate.
03/29/16 The Gallatin is getting into very good shape for this time of the year. The stream
levels are normal and the water getting a little warmer. It is still cold and midges and little BWO
nymphs are still the main aquatic insects to imitate but it will pay off for those who fish the
slack water seams the right way. One customer was able to catch some on the surface this
past week on midges.
04/05/16 The stream levels are up just a little and the water a little stained from melting snow.
The weather is going to be much warmer. We still think the best section to fish in just below
Big Sky. The little extra warmth from the springs helps keep the trout active. The sculpin
streamers, brown and white belly, work great under these conditions.
04/12/16 The Gallatin is currently blown out. There is more rain forecast every day through
Friday, so it will be a few days dropping and clearing. We usually recommend the White Belly
Sculpin streamer when it first drops down to a reasonable level to fish.
04/19/16 The Gallatin is down some from last week, but still high and stained from melting
snow. Look for this to increase this coming week. The weather is going to be very warm and
more rain is coming this weekend. The water is too high to wade safely in most places, so you
would be fishing from the bank or a drift boat in the lower section of the river.
04/26/16 The Gallatin is high and badly stained. There is rain and wet snow in the forecast
every day for the next week, so this is unlikely to change much. You will just have to watch the
stream levels but for now, it isn't looking very good for the next week.
05/03/16 The Gallatin is one of the colder streams in Montana, starting out at a high elevation
in Yellowstone National Park. It is warm enough in its lowest section for the Mother's Day
caddis hatch to begin and it will move upstream as the water warms. Right now, it is dingy and
high and there isn't much opportunity for fly fishing.
05/10/16 The river is high and badly stained and will probably remain in foul condition for the
next week. There is colder weather and little rain on the way and it will clear back up. The
Mother's day hatch started on the lower end of the riiver but will stall out. The pre-run off
conditions will continue soon.
05/17/16 There isn't any opportunity for fly fishing the Gallatin river this coming week. The
stream levels are very high and the water dingy or dirty is a better word. The weather forecast
is showing chances of rain every day for the next week and that should make matters even
worse. We recommend choosing a nearby tailwater this coming week.
05/31/16 Spring runoff is underway and will continue for the next several days. In addition,
there is a lot of rain in the forecast, adding to the high levels. There is little to no opportunity
for fly fishing the Gallatin untile this ends. You can be planning on the red hot action that
always begins as soon and the water drops and clears.
06/07/16 The Gallatin is a sight to see but not a stream to fish right now. It is high and rolling
with mud, track and you name it. The runoff is underway and will most likely continue for the
next few days. Lets hope the early start means an early end to it but we will have to wait and
06/14/16 From the amount the stream levels have come down since last week, you may think
the runoff is over. It isn't, The stream is still very high and highly stained. There isn't any fly
fishing opportunity and most likely won't be for another week or two. Lets hope the runoff
does end early this year. It got off to an early start.
06/20/16 The stream levels are down a lot from this past week. Some places are okay to wade
and others still to high to be safe. The water is mostly clear. A lot of insects are starting to
hatch. Most of them are on the lower end of the river. In general, the hatches move upstream
as the water warms. Normally, the river is in very good shape by the first of July, but it may be
earlier this year.
06/27/16 The river has gotten into good shape. It is still a little on the high side making wading
difficult or not safe in some sections but others are fine. The water is clear in some areas and
stained in others depending on the section that has tributaries staining it. There are a lot of
insects hatching including all the stoneflies, Pale Morning duns and Green drakes, again
depending on the section.
07/05/16 The river is in good shape from the park to the lowest section, with mostly all clear
water and lots of insects hatching. The levels are down to where much of the stream can be
waded. We have some customers fishing the river this week and will be reporting on their
experiences this next week. The hatches vary according to the section of water and elevation.
07/12/16 The Gallatin River is in very good shape for early July. Trout are being caught from
the National Park line, (in the park as well) to the lowest end of the river. The hatches vary
with the elevation but Pale Morning duns, Spotted Sedges and Little Yellow stoneflies are
about everywhere. Golden stoneflies are very plentiful and there are still some Salmonflies
07/19/16 The river is finally in good shape in all sections from the national park boundary to
the lowest section. Our customers are sending in some good reports. The river has plenty of
anglers fishing but there is still a lot of untouched water. Now is the time to fish. Lost of
stoneflies are still hatching including the Goldens and Little Yellow species.
07/26/16 The stream levels are still in decent shape and anglers can wade much of the river.
We received two good reports from customers this past week. The water is getting warmer
and some hatches are showing down. Pale Morning duns, spotted sedges and Little Yellow
stoneflies are continuing to hatch good. Notice we added Tricos to the fly list.
08/02/16 We are receiving good reports from customers fishing the Gallatin in the upper and
middle sections of the river below the National Park. The lower section is getting a little warm
in the afternoons. The stream is running a little below normal for this time of the year but there
is rain in the forecast, and the levels are likely to come back up. .
08/09/16 The Gallatin is under Hoot Owl restrictions from the confluence with the Madison
River at Three Forks to Sheds Bridge (Hwy 84) near Four Corners, MT. You cannot fish after
2:00 PM. Fish streamers early mornings. The uppermost section and canyons is the best
areas to fish. There are still plenty of hatches taking place including PMDs, two caddis
species and Little Yellow stones are plentiful.
08/16/16 The river is still under Hoot Owl restrictions in the lower section. Fish the section
from the National Park line down to the Sheds Bridge. There are still a lot of insects hatching.
Imitations of terrestrials like or Japanese Beetles, Carpenter ants and Sandwich grass
hoppers are working good as well. Early morning fishing with Sculpin streamers is also
08/23/16 We received some good reports this past week from customers fishing the canyon
sections. There are still some little Yellow stoneflies hatching, Tricos on the lower end, and
lots of Spotted Sedges and Green Caddisflies. The river is still under Hoot Owl restrictions in
the lower section. Fish the section from the National Park line down to the Sheds Bridge.
08/30/16 It is still hot weather and the Hoot Owl restrictions are still in place on the lower river
but the good news is, the weather will be cooling down some by the weekend. Fish the
uppermost section of water up to the National Park. The water in the canyons is always a little
cooler. Tricos and caddisflies are everywhere. There are still a few little Yellow stoneflies.
09/06/16 The river is in good shape from the Yellowstone N. P. line to the lowest section of
the river. The weather is cooler and so is the water temperature. Our customers sent in some
good reports over the long holiday weekend. Trout are being caught a number or ways but
early morning streamer fishing with Sculpin patterns seems to get the larger fish. Terrestrial
imitations are working good at times.
09/13/16 The river is in good shape from top to bottom. The canyon sections are producing
very well lately. Little Yellow stoneflies are still hatching along with lots of caddisflies and a few
mayflies depending on the section of water, or more specifically the elevation. Terrestrials are
also working well.
09/20/16 The river is running a little low now but should be coming up soon. It is raining and
will likely continue off and on through Friday. October Caddis and Mahogany duns have
started to hatch. Blue-winged olives continue to hatch good as well. Our customers are still
using terrestrials with good success. This week should be a great time to fish the river.
09/27/16 There are lots of October caddis hatching along with Mahogany duns and Blue-
winged olives. The brown trout are becoming aggressive, or getting into the love mode. They
will attack our Matuka sculpin streamers and Brown Sculpin streamers with vigor. The stream
levels are just a little below normal, the weather nice and cool. What are you waiting for.
10/04/16 Lower water temperatures and weather is helping the "catching" on the Gallatin big
time. Our customers are catching trout throughout the system, and especially in the lower
sections of the river. There are lots of hatches taking place for the first part of October.
Sculpin streamers continue to catch the aggressive brown pre-spawn trout very well.
10/11/16 Mahogany duns and Blue-winged olives are hatching big time. The constant cloud
cover is really helping. Our customers are catching good numbers of trout and some very
large brown trout. The Browns are taking the Brown and White Belly sculpin streamers very
well. They are in the pre-spawn stage in most sections of the river.
10/18/16 The river is flowing along at a very good level at this time, just a little above normal.
There is rain forecast everyday for the coming week, so this is likely to change. Blue-winged
olive hatches are good throughout the river. The added cloud cover should make it even
better. The brown trout are in the pre-spawn stage and some may be spawning.
10/26/16 The stream is up a little above normal as I am writing this but falling. There is rain
forecast everyday for the coming week, so don't expect it to stay down long. The cloud cover
really helps the Blue-winged olive hatches. The brown trout are in the pre-spawn stage with
some big one being caught. Our Brown and White Belly sculpin streamers will work for that.
11/02/16 The river is flowing at a higher than normal level but can still be waded in some
areas. It is falling and there's little rain in the forecast, so it will be back down soon. Blue-
winged olives and Cream midges are hatching good. Brown trout are ranging from post-spawn
to pre-spawn stages, depending on the area you fish.
11/09/16 High water levels continue to hamper the fishing opportunity. It isn't safe to wade in
most all of the sections of the river. Drift boats can fish where it is legal but the current is
strong. It is falling and will continue to do so all week. There isn't any rain in the forecast. The
hatches are down to Blue-winged olives and cream midges.
11/16/16 The Gallatin is getting cooler thanks to a more normal weather pattern for this time
of the year. You will see a big drop in water temperature during this next week. Midges and
little Blue-winged olives will become the main insects to imitate. Sculpin streamers like the
Black and Olive Matuka sculpin and the Brown and White Belly sculpin streamers will continue
to catch the larger trout.
11/23/16 The stream levels are down some from the past week, but still a little high, too high
to wade in many places. The hatches are down to midges and a few little Blue-winged olives.
Sculpin streamers should continue to work good. There is snow in the forecast everyday for
the next week. Watr temperature is down to the low forties.
11/30/16 The water temperature is even lower than last week and there is snow forecast
everyday for the coming week. We recommend fishing the lower section of the river, or better,
any nearby bottom discharge tailwater. Midges and Winter stoneflies are hatching. The Brown
sculpin streamer should still catch the larger trout.
12/07/16 The water temperature is down to the low to mid thirties. I guess it is possible to
catch trout but I'm not sure it is wise to attempt to do so. If you fall in, you could be in serious
trouble. If you do, be aware of the threat. Midges would be the best choice of trout flies. They
will hatch under these conditions. We just have a difficult time recommending fishing under
these extremely low temperatures.
12/14/16 The high temperature this coming week is about ten degrees below freezing with the
average much less. Fishing under these conditions is dangerous. Slipping and falling in could
be deadly. Choose a tailwater if you want to fish this coming week. Fish the Madison River
between the lakes.
12/21/16 The weather is going to be warmer, but non-the-less, it won't be getting over the
freezing mark. There is a lot of slush ice in the water,. If you fish, fish the lowest section of the
river but the water temperature there is only about 34 to 35 degrees. That makes for some
tough fishing but not impossible to catch trout on midges.
12/28/16 We dislike doing this,, but we don't think it is worth fishin g the river this coming
week. The water has a lot of slush ice and ice and deep snow on the banks. Fish the Madison
between the lakes or another tailwater instead until the water warm up at least a couple of
01/04/17 The weather is going to be very cold this coming week. The Gallatin in a freestone
stream and the water directly affected by the weather. The high temperature this coming week
will only be 24 degrees and average much lower than that. There is a lot of ice in the water.
We don't recommend fishing it until it gets a little warmer.
01/12/17 I wish we could report something different, but the water from the park boundary to
the lowest section of the Gallatin River has lots of ice. The highest water temperature
probably won't exceed 33 degrees. We recommend fishing a nearby tailwater. We are not
saying it is impossible to catch trout on the river. We are saying we don't think it is worth the
01/18/17 Another cold week with lots of snow in the forecast. Getting around on the stream
may be a bigger problem than catching trout. The stream levels are fine but the water has ice
in the lowest section of the river. The water temp doesn 't exceed 24 degrees anywhere. Be
careful not to get stranded on the road.
01/25/17 For a change, we did get a report from a customer that is catching a few trout on
midges in the lower section of the river. He is fishing the slack water where he is finding
clusters of midges using our adult red midges (which are black and white in the adult stage of
life). Otherwise, fish the larva and pupa in tandem with the larva the bottom fly and the pupa
about 16 inches above it.
01/31/17 It is clear and cold right now, but snowing beginning tomorrow. The better news is, it
will be warmer this coming weekend. The water near and just below the springs in Big Sky
seems to be the best section. Most all of the water otherwise, has a lot of slush and bank ice.
Midges are the main insects to imitate. Fishing the larva and pupa in tandem is the best setup.
02/08/17 It is going to be much warmer this coming week. Keep in mind, it is still cold, just not
the deep freeze temperatures that have been occurring. The water is still a little warmer just
below Big Sky, thanks to some spring water influence. The warmer weather will help get rid sof
some of the slush, shelf and bank ice in the river. Midges will still be the most important
insects to imitate.
02/15/17 The good new is, much of the ice in the water has melted. The bad news is the river
is high and dingy from melting snow and rain. There is rain or snow in the forecast everyday
this coming week, and the levels are unlikely to get any lower. You will just have to watch the
levels. MIdges and Winter stoneflies are hatching and the insects you should be imitating.
02/24/17 The weather is cold again and the highest temperature won't exceed the 32 degree
mark this coming week. There is snow forecast everyday. We think the section near the
springs at Big Sky would offer the most opportunity. Midges will remain the main insects to
imitate. Fish Red or Cream midge larva and pupa imitations in tandem.
03/01/17 The weather is going to be a little warmer this coming week. There is still a chance
of snow everyday but high temperatures will reach into the low forties some days this coming
week. Midges, Creams and Reds, are still the most important insect to imitate. Fish the larva
and pupa rigged in tandem for the best results.
03/08/17 The river is in good shape for this time of the year. The recent warm weather has
the trout in a more willing mood. Midges are still the most important insects hatching. Fish
Creams or Blood midges, (Reds) with the larva and pupa rigged in tandem. There is rain or
snow forecast everyday. Fish sculpin streamers when it is heavily overcast and cloudy. We
recommend fishing from Big Sky to the valley.
03/15/17 The stream levels are up to where isn't safe to wade in most places. The water is
stained as well. It is likely to go even higher. The is rain or snow in the forecast everyday this
coming week. Little Brown stoneflies ae starting to hatch. Skwala stoneflies are starting to
hatch. Midges and little Blue-winged olives will continue to hatch.
03/22/17 The warm weather and rain will continue through the next week and the stream
levels will continue to be very high. The water runs from very dingy to muddy and this too, is
likely to continue. Select a nearby tailwater and fish it instead. - Hint, the Madison River.
03/29/17 The stream levels are still high and the water very dingy from what I call mini-runoffs.
It really makes it difficult to keep track of what is going to happen, especially with the hatches.
Skwala and little Brown stoneflies are hatching in the lower section but the water has been too
high for it to matter. Hopefully, it will continue to fall and provide some days of fishing prior to
the real runoff.
04/04/17 Same story, second verse, the stream is high and badly stained with more rain and
snow in the forecast for the coming week. Spring is just around the corner, we hope, but for
now, we see little opportunity for the Gallatin.
04/19/17 The river is still high, dirty and likely to remain that way for another week. You can
fish it from the bank in some sections. Skwala stoneflies and little Brown stoneflies are
hatching. There are some little Black Caddis and little Blue-winged olives hatching as well. All
you can do otherwise, is to keep in touch with us. We will keep you informed.
04/26/17 I wish I could write a good report for a change, but the stream is still high and
stained. There are hatching little Brown stoneflies and Skwala stoneflies. You can fish from
the banks in a few places and catch trout on streamers like our Brown sculpin. Otherwise, all
you can do it check back with us. We will keep you informed.
05/03/17 The river is in very good shape for this time of the year. The stream levels are down
where you can wade some sections. The weather and water is much warmer and some
insects are starting to hatch. There is rain in the forecast for the next few days, so get on the
water as soon as you can.
05/10/17 The river is high and dingy to muddy. It is likely to be in this conditions for a while.
This is due to both rain and runoff conditions. All you can do is to stay in touch. We will keep
you informed as to the conditions.
05/17/17 The stream levels are still very high and will likely remain high for several more days.
The runoff is underway and there is rain in the forecast everyday for the coming week as well.
All you can do is to stay in touch. We will keep you up to date on the conditions. Send us an
email and we will help you plan that next trip.
05/23/17 The stream levels are way up and far too high to consider fishing. The water is
muddy to highly stained. The spring runoff will be in effect for several more days. When it
does get back to normal, the fishing will be very good. All you can do it to stay in touch with
us. We will keep you informed. You can let us help you plan that next Gallatin River fishing trip.
05/31/17 The Gallatin is high and stained badly due to runoff. It will likely be this way for
several more days. It is far too high to fish anywhere. All you can do is to let us help you plan
that next Gallatin fishing trip. When it does fall out, it will be red hot. Keep in touch and we will
keep you informed.
06/07/17 The river is very high due to the runoff and rainfall. There is another week of wet
weather ahead. The runoff most likely will last for most of this month. All you can do is to stay
in touch. We will keep you informed as to the status of the runoff.
06/14/17 The stream levels are down from last week, and hopefully that is a sign it has
peaked. We are not sure about that though. The runoff usually last for most of this month. All
you can do is to stay in touch with us. We will keep you updated as to the status of the runoff.
06/22/17 The river is up from the past week, and hopefully, near the peak of the runoff. It is
usually about the first of July before it drops and clears. There is a good snow pack this year
and it could be a little longer. All you to do is check back with us. We will keep you informed.
You can send us an emaii and let us help you plan that next trip.
06/29/17 The stream levels are down big time, and the river in decent enough shape to fish
now. There is no rain in the forecast for the coming week and it should be in excellent
condition within another week at the rate it is falling and clearing. There are lots of hatches
going on. It can be waded with caution now, in some sections but still too high in most sections.
07/05/17 The river is in good shape but still a little too high to wade in most places. Some
areas can be waded with caution. It is continuing to fall and should be in great shape soon.
There are a lot of insects hatching and some good numbers of trout being caught. We have
added terrestrial imitations to the fly list as they can also be important at times.
07/12/17 Good conditions exist in most sections of the river from the National park line to the
lowest section. It is still a little high in places but most places are safe and easy to wade. It
continues to fall each day. There are lots of hatches going on but they vary some from
section to section. Now is a great time to be fishing the river. .
07/19/17 The river is in very good shape. We are getting lots of good reports from anglers
fishing all the way from the National park line to the lowest section of the river. Those fishing it
in Yellowstone park are also doing good. There are lots of insects hatching. The stream levels
are still a little high and can be swift in places, so always use caution wading.
07/26/17 The river is in good shape in it middle and upper sections. The lower section is now
under Hoot Owl restrictions. Fishing isn't allowed after 2:00 PM until midnight, due to warmer
water. The upper sections is turning out some good numbers of trout for our customers.
There are still a lot of hatches taking place.
08/02/17 The river has gotten into very good shape. We do recommend fishing the upper
sections, especially the canyon sections for the best opportunity. There are still a lot of
insects hatching. Tricos have started in the middle section. Stream levels are about normal at
08/09/17 The river is in good shape in its middle and upper sections. The lowest section is
borderline too warm. A lot of trout are being caught in the canyon sections. Stream levels are
in good shape. There are still a lot of insects hatching. Little Yellow stoneflies are very
plentiful but there are several others hatching.
08/16/17 The lower section from the Shield Bridge at Four Corners to the Missouri River is still
under Hoot Owl restrictions. You will do much better fishing the middle to the upper section of
the river. There are still plenty of insects hatching. There are lots of Little Yellow stoneflies.
Terrestrial imitations are working but we don't recommend using them when something is
08/23/17 The stream levels are in good shape and trout are being caught from the National
park line through the middle section of the river. We were getting some good reports. There is
smoke in the area right now. Hopefully, that will clear out soon. There is no chance of rain for
the coming week.
08/30/17 The river is in good shape in all sections with good stream levels that are mostly all
easy to wade. There is some smoke in some areas of the river, so make sure you check that
out. There are still plenty of hatches taking place and terrestrials are working good as well.
We recommend fishing the canyons but the entire river is turning out trout.
09/06/17 The river is in good shape. The stream levels are down a little and wading is safe
and easy most places. The cooler weather has the water slightly cooler and that is a big help.
We received three good reports this past week.
09/13/17 The river is still in excellent shape, with flows that are at a normal level. The weather
is turning much cooler and that will change the available foods and flies you need within the
coming week. The could cover should be a big help as there is rain in the forecast everyday.
09/20/17 The river is in good shape. The stream levels are a little higher than normal but
wading should be possible in most places, provided caution is used. There is rain and snow in
the forecast through Friday, then clearing. The cloud cover should be of help. The hatches
are slowing down and will be changing.
09/27/17 The river is in good shape with cooler water temperatures and stream levels that
allow good wading conditions. We received two good reports from customers fishing this past
week. October caddis are starting to hatch in the upper part of the river.
10/04/17 The river is in good shape in all sections from the National Park to the lowest
section. The stream levels are just a little above normal and safe to wade most places if
caution is used. There are lots of Blue-winged olives and October Caddis still hatching. The
forecast looks good for the coming week.
10/11/17 The river is still in good shape in all sections. The weather and water is getting a
little cooler. We are still getting good reports. There are Blue-winged olives hatching along
with some October Caddis. The stream levels are just a little high but safe to wade with
caution in some areas.
10/18/17 The river is in good shape in all sections. The stream levels are normal and wading
easy and safe with caution. There are some good Blue-winged olive hatches taking place as
well as Cream and Red midges. Our customer reported two good days of fishing this pat
week. They managed some very good size trout.
11/17/17 The river is flowing at a normal level for this time of the season. Few anglers are
fishing. The lower and lower middle river is in the best shape but with water temperature
averaging in the low forties. There is rain or snow forecast about everyday this coming week.
Midges, creams and reds, are hatching.
11/25/17 The river is running a little above normal and the water is cold. It averages about 36
degrees. Midges are the only insects hatching. Blue-winged olives may hatch on warmer,
cloudy days. Sculpin streamers were catching some larger trout. We only received one report
from the past week.
12/01/17 The stream levels are in good shape but the water is very cold. The only insects
hatching are midges, creams and blood midges, or red ones. Fish the pupa and larva
imitations in tandem for the best results. We didn't receive any reports from anyone fishing
this past week.
12/08/17 The stream levels are down to a normal level. Midges, Creams and blood midges or
red ones, are the only insects hatching. Fish the larva and pupa imitations rigged in tandem
for the best results.
12/15/17 The river is in decent shape for mid December. The lowest section is the warmest.
Midges, creams and reds or blood midges and Winter stoneflies are hatching. There is a lot of
snow on the banks and there is bank and slush ice in the water in the middle and upper
12/22/17 There is some slush ice and bank ice in the middle and upper river. Most of the
lower river can be fished. Midges, and winter stoneflies are the major insects to imitate.
12/29/17 The river is just a little above normal level but all but the lowest section is too cold to
fish. There is lots of slush ice as well as bank ice and deep snow. Midges and Winter
stoneflies are the insects you need to imitate.
01/05/18 The weather is going to be a little warmer this coming week but that means it will be
snowing a lot more. There is a lot of slush ice in the water. Fish the lowest elevations with
Midges and Winter stonefly nymphs and be careful not to slip or fall in wading or from the
01/18/18 Conditions have improved some from last week. Midges, creams and blood midges
or red ones, are hatching. Fish the larva and pupa rigged in tandem and the adults only when
you see them on the surface.
01/26/18 There's lots of snow in the forecast for the coming week, but in general, the weather
is a little warmer. There is slush ice in the upper river. The lower river is okay for midge fishing
but it is mostly drift boat water. Midges and Winter stoneflies are hatching.
02/02/18 There is snow in the forecast everyday again this coming week but the weather will
be a little warmer. That will help get rid of the remaining slush ice in the water.
02/23/18 There is heavy snow forecast for the coming week. There continues to be a lot of
slush ice in the water, but less in the lower section than anywhere. Fish the lower section of
the river using midges - creams and reds, or blood midges. Rig the larva and pupa in tandem.
Winter stoneflies are also hatching.
03/02/18 The water temperature is up a little and much of the slush ice in the water and all the
shelf ice is melted. It is still very cold water averaging only about 35 degrees. Trout can be
caught on midges, winter and Skwala stoneflies.
03/09/18 The river is getting into good shape for the middle of Winter. The weather and water
will warm up a little this coming week. Midges, little BWOs, Skwala stoneflies and Sculpin are
the foods you need to imitate.
03/16/18 There is rain or snow in the forecast everyday this coming week. Stream levels are
currently just a little above normal. The water is gradually getting a little warmer but it is still
cold, running about 39 degrees in the warmest sections. Midges, creams and light greens, are
still the most important insects to imitate.
03/23/18 The river is flowing a little to high to wade most places. Most of the water came from
melting snow and there is more in the forecast everyday this coming week. The water
temperature is around 36 degrees. Midges, creams and light greens are hatching. Skwala
and Winter stoneflies are hatching.
03/30/18 There is rain or snow in the forecast everyday for the next week. Stream levels are
back down to normal as of today, but be sure to check them. Midges, creams and light greens
are hatching. Skwala stoneflies and March Browns are hatching in some sections.
04/06/18 The weather was very cold this past week, and the water temperature dropped down
some in most sections. This week should be much warmer and hopefully, the trout and insects
will get a little more active.
04/13/18 The water is getting a little warmer, thanks to the warmer rain and weather. There is
little to no ice in the water. Skwalas are still hatching along with midges, creams and light
greens and little non-baetis blue-winged olives.
04/20/18 Snow melt has the stream levels high and the water stained in most places. It is
gradually getting warmer. Fish the lower section of the river.
05/27/18 The river is far too high to fish, much less wade. It is very dingy to muddy and there
is more rain and snow on the way. It is both new snow and rain and runoff bringing the levels
up and it is likely to be too high to fish at least most of next week. All you can do is stay in
touch with us. We will keep you informed.
06/05/18 The river is still very high and stained in all sections. It is too high to fish. All you can
do is to stay in touch with us. We will keep you informed of the conditions. It will be very good
fishing opportunity when it does get back down.
06/12/18 The river is very high to blown out in all sections. The water below Taylor Fork is
red. Above there it is highly stained. Flows are too high to fish anywhere in our opinion. Stay
in touch and we will keep you informed as to the stream and fishing conditions.
05/18/18 The river is high from runoff and not in shape to fish. this is likely to continue for a
few days. All you can do is to stay in touch and we will keep you informed. It will be great
fishing when it does drop back down.
05/25/18 The river is blown out completely. All sections are far too high to fish. All you can do
is to stay in touch. We will keep you updated as to the conditions.
06/02/18 The river is down a good bit from the past week but it is still too high to wade
anywhere and too high to fish in our opinion. The runoff is in effect and the levels are likely to
stay high. Please keep checking back with us. We will keep you informed of the conditions.
06/09/18 The river is down some from the past week due to the cooler weather and slacked
runoff but it isn't over. The levels are still to high to wade anywhere. Stay in touch and we will
keep you informed.
06/16/18 The stream levels are down a lot and the water clearing us some. It is still high, too
high to wade in most sections. The big stoneflies, Goldens and Salmonflies, are starting to
hatch in the lowest sections of the river.
06/23/18 The stream levels keep dropping and getting into better shape but they are still too
high to wade most anywhere and in our opinion, not low enough to make it worthwhile to fish.
We don't guide and have to stretch the trout.
06/30/18 The river is down a lot from the past week and can be waded in a few places but
some areas are still too high. The water is mostly clear, We think it will be in very good shape
within the next week or so. It is dropping rather fast. There are lots of insects hatching.
07/07/18 The stream levels are coming on down and getting into good shape. There are
several areas that you can wade with caution. We are getting some good reports. There are
multiple hatches taking place.