Yellowstone River Canyon
Yellowstone River YNP
Copyright 2017 James Marsh
Fly Fishing The Yellowstone River -
Yellowstone National Park
The Yellowstone River is the very heart of Yellowstone
National Park. It flows from outside the Southeast Corner
of the park all the way to the Northwest Corner of the
park. That is just the beginning of this great river and the
part that we will cover.

There are generally four main sections to the
Yellowstone River in the park. The first is the upper river
above Yellowstone Lake. This includes most of its
headwaters. The upper river flows through the most
difficult to access part of Yellowstone National Park.

The river below Yellowstone Lake down to the head of
the Yellowstone Grand Canyon is the second section.
Although parts of this section are closed to fishing it still
remains the most popular section to fish due to its easy

The Grand Canyon extending from just below
Yellowstone Falls down to the Grand Loop Road near
Tower is considered the third section. It's very difficult to
access and can only be fished in a few areas.

The last section in the park is the Black Canyon which
extends from the Grand Loop Road Bridge to the park's
northern boundary at the town of Gardiner. The majority
of this section requires a hike of one to four miles to

The Yellowstone Lake is home to the largest remaining
population of native Yellowstone Cutthroat trout.
Although there have been some treats to the cutthroat  
in the lake from the illegal introduction of non-native
Lake Trout, plenty of Yellowstone Cutthroat exist in the
lake and river throughout the park.

The season varies depending on the location your
fishing the big river.
There's little fishing on the Yellowstone River prior to the
beginning of Summer and parts of it are closed to fishing.
Summertime is the best time to fish the river. It is when
the water levels are best and the aquatic insect hatches
are the most plentiful.
Early Fall can provide good fishing on most of the river.

Fly Fishing Guide to the Yellowstone River
The methods, techniques and strategies you should use
fly fishing the Yellowstone River depends on many
factors such as the time of the season, water levels,
hatches and section of the river you are fishing.
Here To Continue)
Type of Stream

Cutthroat Trout
Rainbow Trout
Brown Trout
(Wild Trout)


Northwestern Wyoming, YNP

Nearest Towns
Gardiner, Montana

Last of May - October (parts open on
July 15th)

Good in most areas, some difficult

Park License
Yellowstone National Park License

National Weather Service Link

Hatch Chart
Perfect Fly Hatch Chart

Fly Fishing Guide - Part One

Fly Fishing Guide - Part Two

Fly Fishing Guide - Part Three

Fly Fishing Guide - Part Four

Hatches and Flies

Fly Fishing Gear

Stream Flow Data:
Real Time USGS Data (Lake
Yellowstone River, YNP
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