Henrys Fork- Warm River to Ashton Fish Report

The lower Henrys is flowing at 1010 CFS near Ashton

Henrys Fork- Warm River to Ashton - Ashton, ID (Fremont County)

by Mike Lawson
9-19-2025
208-558-7525
Website

The lower Henrys is flowing at 1010 CFS near Ashton, and these fish are definitely in the fall frame of mind. Terrestrial patterns are still doing well, especially when paired with a dropper. Rubber Legs, Two Bit Hookers, Waltz Worms, and Pheasant Tails are a good place to start. Streamers are also catching some nice fish on this stretch of the river.

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The upper river is coming out of Island Park Reservoir at 345 CFS

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Henry's Fork Anglers Reports

for Friday, August 22nd

Henrys Lake: Flows from Island Park Reservoir are now holding steady around 780 CFS
Henrys Fork- Ashton to St Anthony: Hopper fishing remains strong, especially through the mid and lower stretches
Snake River- South Fork: The hopper bite is excellent right now
Madison River : The Madison is in late-summer mode—hopper/dropper rigs are the go-to for covering water
Teton River: The upper Teton continues to fish well with PMDs and terrestrials
Yellowstone Fish Report: Warm water closures remain in place for the Madison, Firehole, and Gibbon