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© 2026 Barbless.co. Flow and gauge data from USGS; weather from Open-Meteo. · v2026.10.18.2

  1. Idaho
  2. Rivers & Lakes
  3. Fall River

Updated September 19, 2026

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Idaho Rivers › Eastern Idaho

Fall River

Premier Idaho trout water with diverse seasonal hatches.

Recommended water29 mi · 47 kmFreestone RiverTrout fishery
View on MapGet Directions
Brook troutBrown troutYellowstone cutthroat troutRainbow troutMountain whitefish

A Legendary Idaho Fishery

Eastern Idaho freestone/tailwater-adjacent fishery.

Sources: idfg.idaho.gov
Fall River on the water

Best Season

May – October

River Type

Freestone

Skill Level

Beginner – Intermediate

Best Techniques

Dry Flies, Nymphing

Access

Moderate

Gauge stations along the Fall River

Around Chester

Main stretch

Around Ashton

Around Squirrel

Around Yellowstone Canal

Access

Fish in Fall River

Explore fish species associated with the Fall River. Each profile includes identification tips, habitat notes, and practical fishing guidance for Idaho anglers.

Hatches on Fall River

Review seasonal insect hatches on the Fall River, including timing windows and fly pattern suggestions for Idaho fly fishing.

Regulations

Check current seasons, limits, and special rules for Fall River before you go. Regulations change, so always verify with IDFG.

View IDFG Regulations

Guides & Outfitters

Recent conditions on Fall River

The latest fishing conditions and hatch notes for Fall River. Older reports live in the Fall River report archive.

Videos on Fall River

These YouTube videos have been hand-curated by our team because we feel they best represent the Fall River fishery. Watch for river character, access context, and techniques that translate to your next Idaho trip.

Photos

Nearby Communities

  • Grainville1.8 mi
  • Squirrel2 mi
  • Drummond2.8 mi
  • Farnum4.6 mi
  • Marysville4.7 mi
  • Warm River5.3 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosNearby Communities

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Fall River

The Fall River supports 5 fish species in our Idaho fishing catalog. Browse each profile for identification tips, seasonal patterns, and how these species are managed on this water.

  • Brook Trout
    Brook TroutA colorful introduced char of Idaho’s cold streams, small rivers, lakes, and reservoirs.
  • Brown Trout
    Brown TroutWary, hard-fighting trout that reward careful presentations and can grow into true fish-eaters.
  • Mountain Whitefish
    Mountain WhitefishA native coldwater scrapper that shines on nymphs when trout fishing slows down.
  • Rainbow Trout
    Rainbow TroutIdaho’s most widespread trout, quick to rise and willing to chase nymphs and small streamers.
  • Yellowstone Cutthroat Trout
    Yellowstone Cutthroat TroutA native dry-fly favorite of eastern Idaho, Yellowstone cutthroat shine in clear, cold rivers.

Hatches on Fall River

The Fall River has 13 documented insect hatches across spring, summer, fall, and winter. Review seasonal timing and recommended fly patterns to plan productive days on this Idaho water.

Spring
Summer
Fall
Winter
Midge
Sculpin
Blue-winged Olive
Caddis
Golden Stonefly
Green Drake
Pale Morning Dun
Salmonfly
Yellow Sally
Ant
Beetle
Grasshopper
October Caddis
PeakActiveSelect a dot for timing and patterns, or a month to focus it.

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Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Fall River.

No verified providers for this river yet. Browse the full directory.

Videos on Fall River

These 2 YouTube videos have been hand-curated by our team because we feel they best represent the Fall River fishery. Each pick highlights river character, access, and techniques worth knowing before you fish this Idaho water.

IDAHO WINTER TROUT FISHING // HENRY'S FORK OF THE SNAKE RIVER AND FALL RIVER

SE Adrenaline

Jan 22, 2026

Fall River, Fishing

Purple Drake Fishing

Apr 30, 2021

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