Planning Your Fly-fishing Trip To Yellowstone
|........................... ......................Fly Fishing Yellowstone National Park
When to Come and What To Expect:
Fly Fishing: Outside Yellowstone National Park - July - Fall River
(Outside Yellowstone National Park)
The Fall River begins in the Southwest corner of Yellowstone National Park. This is
called the Cascade Corner of Yellowstone because of its many water falls. The Fall
River is the largest river that drains this area of the park. The Belcher River, Boundary
Creek, and Mountain Ash Creek are a part of this drainage. The Fall River is the
largest tributary of the Henry's Fork of the Snake River.
From Cave Falls in the edge of the park to the CCC concrete bridge, the Falls River
flows for about fourteen miles mostly inaccessible except by foot. It flows through the
Targhee National Forest. From there it flows through Idaho farm land to the Henry's
Fork southeast of Ashton, Idaho. There are plenty of access points along the lower
section of the river. There is about 50 miles of fishable water. Most of the lower part is
located on private property and fishing is only available to those who obtain permission
from the land owner, or at the bridges.
The trout in Fall River are mostly cutbows, or a mixture of rainbows and cutthroat trout.
There are rainbows and cutthroat trout too, of course. Although the average size trout
is probably only ten inches or so, the lower river produces some that go up to twenty
inches. This river is mostly under fished because of the popular Henry's Fork of the
Although there are probably many better choices from a fish size standpoint to fish
during the month of July, the Fall River is an option for those who want to get away
from the July crowds.