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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. Henrys Fork of the Snake River, Riverside to Mouth / terminus

Updated September 26, 2026

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Idaho Rivers › Eastern Idaho

Henrys Fork of the Snake River, Riverside to Mouth / terminus

World-class trout fishing in Eastern Idaho.

Blue Ribbon water29 mi · 47 kmFreestone RiverTrout fishery
View on MapGet Directions
Rainbow troutBrown troutYellowstone cutthroat troutBrook troutCutbow troutMountain whitefish

A Legendary Idaho Fishery

AUTO-PROMOTE child of Henrys Fork of the Snake River. Tighten geometry via resolution draft.

Sources: idfg.idaho.gov · henrysforkanglers.com · henrysforkanglers.com

Best Season

May – October

River Type

Freestone

Skill Level

Intermediate

Best Techniques

Dry Flies, Nymphing

Access

Moderate

Gauge stations along the Henrys Fork of the Snake River, Riverside to Mouth / terminus

Primary stations

Related stations

Access

Fish in Henrys Fork of the Snake River, Riverside to Mouth / terminus

Explore fish species associated with the Henrys Fork of the Snake River, Riverside to Mouth / terminus. Each profile includes identification tips, habitat notes, and practical fishing guidance for Idaho anglers.

Hatches on Henrys Fork of the Snake River, Riverside to Mouth / terminus

Review seasonal insect hatches on the Henrys Fork of the Snake River, Riverside to Mouth / terminus, including timing windows and fly pattern suggestions for Idaho fly fishing.

Regulations

Check current seasons, limits, and special rules for Henrys Fork of the Snake River, Riverside to Mouth / terminus before you go. Regulations change, so always verify with IDFG.

View IDFG Regulations

Guides & Outfitters

Recent conditions on Henrys Fork of the Snake River, Riverside to Mouth / terminus

The latest fishing conditions and hatch notes for Henrys Fork of the Snake River, Riverside to Mouth / terminus. Older reports live in the Henrys Fork of the Snake River, Riverside to Mouth / terminus report archive.

Videos on Henrys Fork of the Snake River, Riverside to Mouth / terminus

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

Photos

Nearby Communities

  • Warm River5.6 mi
  • Gerrit6.6 mi
  • Marysville7.3 mi
  • Ashton7.6 mi
  • Ora9.2 mi
  • Sarilda9.9 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosNearby CommunitiesReaches

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Henrys Fork of the Snake River, Riverside to Mouth / terminus

The Henrys Fork of the Snake River, Riverside to Mouth / terminus supports 6 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.
  • Cutbow Trout
    Cutbow TroutA hard-fighting trout hybrid found where rainbow and cutthroat waters overlap in eastern Idaho.
  • 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.

Part of Henrys Fork of the Snake River (whole river)

Other reaches on this river

2 reaches
  • Henrys Fork of the Snake River, Headwaters to Box Canyon

    Trout fishery35 mi · 57 km
  • Henrys Fork of the Snake River, Box Canyon to Riverside

    Trout fishery18 mi · 29 km

Recent conditions on Henrys Fork of the Snake River, Riverside to Mouth / terminus

The latest fishing conditions and hatch notes for Henrys Fork of the Snake River, Riverside to Mouth / terminus. Older reports live in the Henrys Fork of the Snake River, Riverside to Mouth / terminus report archive.

Henrys Fork of the Snake River, Riverside to Mouth

August 30, 2026

No newer report yet; conditions may have changed.

The lower Henrys Fork is in good shape with stable late-summer flows and fall conditions favoring streamers and nymphs.

All Henrys Fork of the Snake River, Riverside to Mouth / terminus fishing reports

Access

Videos on Henrys Fork of the Snake River, Riverside to Mouth / terminus

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

No videos
No related videos yet.

Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Henrys Fork of the Snake River, Riverside to Mouth / terminus.

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

Hatches on Henrys Fork of the Snake River, Riverside to Mouth / terminus

The Henrys Fork of the Snake River, Riverside to Mouth / terminus is a reach of the Henrys Fork of the Snake River, which has 22 documented insect hatches across spring, summer, fall, and winter. Review seasonal timing and recommended fly patterns to plan productive days on this Idaho water.

Hatch timing for the Henrys Fork of the Snake River as a whole, not specific to this reach.

Spring
Summer
Fall
Winter
Blue-winged Olive
March Brown
Midge
Sculpin
Grannom Caddis
Brown Drake
Caddis
Golden Stonefly
Pale Morning Dun
Salmonfly
Callibaetis
Flav
Gray Drake
Green Drake
Yellow Sally
Ant
Beetle
Grasshopper
Pink Albert
Trico
Mahogany Dun
October Caddis
PeakActiveSelect a dot for timing and patterns, or a month to focus it.

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