Copyright 2010 James Marsh
Fly Fishing the Firehole River YNP
The Firehole River is one of the strangest trout streams
in the World. It flows through some incredible thermal
features that rival any in Yellowstone National Park. The
river can actually appear to be on fire at times. It's one of
the most photographed rivers in the world.

The Firehole River contains all types of water from spring
creek like, smooth flowing slick water, to pools, runs and
riffles. The water in its canyon section below the falls is
completely different from the many miles of water above
the falls.

The fact it's so popular and easily accessed can make it
tough to fish at times. It seems the longer the season has
been open, the more difficult it becomes to fool the trout.
It is also a very strange river from a water temperature
standpoint. The influence of warm water at various
locations makes it difficult to judge the water temperature
at times. A thermometer can really come in handy on this
stream. The trout will move into certain areas of cool
water when the water begins to warm in late June.

It is a very fertile stream with not only a large diversity of
aquatic insects, some of them exist in very large
quantities. It is one of the best dry fly streams in the
nation.

Season:
The Yellowstone fishing season is a relatively short one
to begin with. Because the Firehole River is affected by
the hot springs,  the prime time to fish it is even shorter
than most other streams in the park.
Spring:
When the season first starts, it is usually the best stream
to fish.
Summer:
Unless there's a huge snowpack and lots of water, you
will find most of the water in the river too warm for good
fishing during July and most of August.
Fall:
September and October is usually an excellent time for
fly fishing the Firehole River.

Fly Fishing Guide to the Firehole River
In order to be able to consistently catch trout on the
Firehole River, you must be aware of a number of
variables. (
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Firehole River (YNP)
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Type of Stream
Freestone

Species
Brook trout (wild)
Brown trout (wild)
Rainbow trout (wild)
Whitefish

Size
Medium

Location
Yellowstone National Park

Nearest Towns
West Yellowstone, Montana

Season
Last of May through October

Access:
Moderate

Special Regulations
Yes, barbless hooks and others. Fly
Fishing Only

Fishing License
Yellowstone National Park

Weather
National Weather Service Link

Hatch Chart
Perfect Fly Hatch Chart

Fly Fishing Guide

Hatches and Flies

Fly Fishing Gear

Additional Information:
Fly Fishing Yellowstone National
Park
Website
Thumbnail Images: Click on picture to enlarge
Options For Selecting Flies:
1. Email us 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. Call or email us with a budget for
flies and we will select them and get
them to you in time for your trip.

Shipping is free in the U. S. Orders
over $50 are shipped Priority Mail.