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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

Updated September 20, 2026

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Idaho Rivers › Upper Snake

Henrys Fork of the Snake River

A legendary spring-creek-to-canyon trout river with classic dry-fly water and big-river variety.

Blue Ribbon water82 mi · 132 kmLarge freestone and spring-influenced riverTrout fishery
View on MapGet Directions
Rainbow troutBrown troutYellowstone cutthroat troutBrook troutCutbow troutMountain whitefish

World-class trout water across the Upper Snake headwaters

A legendary spring-creek-to-canyon trout river with classic dry-fly water and big-river variety. Explore seasonal hatches, access points, and current flow conditions below.

Sources: idfg.idaho.gov · henrysforkanglers.com · henrysforkanglers.com
Henrys Fork of the Snake River on the water

Best Season

Late spring through fall, with standout hatches from May into October and winter midge opportunities.

River Type

Large river with spring-creek character in key reaches; fishable by wading, from shore, or by boat.

Skill Level

Intermediate to advanced overall; some sections are approachable, but selective trout and varied flows favor strong presentation skills.

Best Techniques

Dry flies during major hatches, nymph rigs for consistent coverage, and streamers in fall or on lower reaches.

Access

Good public access with boat ramps and bank access at developed sites; facilities listed by IDFG include campgrounds, toilets, docks, and ADA access.

Gauge stations along the Henrys Fork of the Snake River

Around Ashton

Main stretch

Around Lake

Around Island Park

Same gauge as Around Box Canyon, part 1.

Around Box Canyon, part 1

Around Riverside

Same gauge as Around Box Canyon, part 1.

More stations on the river

Access

Fish in Henrys Fork of the Snake River

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

Hatches on Henrys Fork of the Snake River

Review seasonal insect hatches on the Henrys Fork of the Snake River, 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 before you go. Regulations change, so always verify with IDFG.

View IDFG Regulations

Guides & Outfitters

Recent conditions on Henrys Fork of the Snake River

The latest fishing conditions and hatch notes for Henrys Fork of the Snake River. Older reports live in the Henrys Fork of the Snake River report archive.

Videos on Henrys Fork of the Snake River

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

Photos

Helpful Links

IDFG Fishing Planner: Henrys Fork Snake River

Nearby Communities

  • Island Park4.5 mi
  • Rea7.9 mi
  • Big Springs11.7 mi
  • Gerrit12 mi
  • Warm River17.3 mi
  • Sarilda19.5 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosHelpful LinksNearby CommunitiesReaches

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Henrys Fork of the Snake River

The Henrys Fork of the Snake River 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.

Other reaches in the Snake River

8 reaches
  • South Fork Snake River

    Trout fishery107 mi · 171 km
  • Snake River, American Falls Reservoir to Gem Lake Dam

    Mixed warm-water59 mi · 95 km
  • Snake River, Hells Canyon Dam to Clearwater Confluence (Lewiston)

    Steelhead & sturgeon107 mi · 172 km
  • Snake River, Idaho Falls to American Falls Reservoir

    Trout fishery80 mi · 129 km
  • Snake River, Lower Salmon Falls Dam to Bliss Dam (Hagerman / Thousand Springs)

    Trout fishery22 mi · 35 km
  • Snake River, Milner Dam to Hansen Bridge (Murtaugh Canyon)

    Trout fishery23 mi · 38 km
  • Snake River, Osgood Diversion Dam to Henrys Fork

    Trout fishery47 mi · 76 km
  • Snake River, Swan Falls Dam to Brownlee Reservoir

    Bass & sturgeon45 mi · 73 km

Recent conditions on Henrys Fork of the Snake River

The latest fishing conditions and hatch notes for Henrys Fork of the Snake River. Older reports live in the Henrys Fork of the Snake River report archive.

Henrys Fork of the Snake River

October 5, 2026

Gin-clear water and low flows make the Henrys Fork challenging, with heavy Blue-Winged Olive hatches and an incoming storm system expected to bring heavier Baetis emergence and temporary discoloration.

All Henrys Fork of the Snake River fishing reports

Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Henrys Fork of the Snake River.

Guides & Outfitters

View all

Red Road Outfitter LLC · Outfitter · Island Park, ID

Three Rivers Ranch Outfitters offers guided fly fishing trips in Idaho, specializing in various rivers and lakes.

Spring to FallVaries by tripAll levels
Henrys Fork of the Snake…South Fork Snake RiverTeton River+1
TVL

Teton Valley Lodge INC · Outfitter · Driggs, ID

Experience world-class fly fishing in Idaho’s scenic Teton Valley with Teton Valley Lodge.

SummerAccommodates everyone in your groupAll skill levels welcome
Henrys Fork of the Snake…South Fork Snake RiverTeton River

Three Rivers Ranch INC #1 · Outfitter · Ashton, ID

Three Rivers Ranch is a family-owned fly fishing lodge in Warm River, Idaho, offering guided fishing trips on renowned rivers.

Third week of May to mid-OctoberVariesAll levels
Henrys Fork of the Snake…South Fork Snake RiverTeton River
Trouthunter LLC on the water

Trouthunter LLC · Outfitter · Island Park, ID

TroutHunter offers guided fishing services, lodging, and a fly shop in Island Park, Idaho, specializing in the Henry's Fork River.

Since 1999
Henrys Fork of the Snake…

Trr Unlimited LLC (#2) · Outfitter · Eagle, ID

Three Rivers Ranch Outfitters offers guided fly fishing trips in Idaho, specializing in various rivers and lakes.

Spring to FallVaries by tripAll levels
Henrys Fork of the Snake…South Fork Snake RiverTeton River+1

Worldcast Anglers LLC · Outfitter · Victor, ID

WorldCast Anglers is a premier fly fishing outfitter located in Victor, ID, offering guided fishing trips and retail services.

N/AN/AN/A
South Fork Snake RiverHenrys Fork of the Snake…Teton River
Eagle Ridge Ranch LLC on the water

Eagle Ridge Ranch LLC · Outfitter · Island Park, ID

Eagle Ridge Ranch offers fishing and various outdoor activities in Idaho.

Drift boatWalk & wadeJet boat
Henrys Fork of the Snake…

Hatches on Henrys Fork of the Snake River

The Henrys Fork of the Snake River 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.

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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Access

Videos on Henrys Fork of the Snake River

These 8 YouTube videos have been hand-curated by our team because we feel they best represent the Henrys Fork of the Snake River fishery. Each pick highlights river character, access, and techniques worth knowing before you fish this Idaho water.

Epic 4 DAY float Trip on the South Fork of the SNAKE RIVER! FLY FISHING the PMD hatch! DAY - 1

Fly Fish Hunter

Dec 19, 2020

World-Class Fly Fishing on the Henrys Fork Ranch | Idaho Trout Fishing

Colton Schofield

Nov 18, 2020

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

SE Adrenaline

Jan 22, 2026

Fly Fishing Henry's Fork of the Snake River

Jon Conti

Jun 6, 2019

BIG SPRING BROWNS ON THE HENRYS FORK

Hushin

Apr 16, 2018

Lessons on the water | Fly Fishing Henry's Fork and the Teton River in Idaho

Flycraft

Jan 10, 2026

Iconic Rises - 2025 Fly Fishing Film Tour Official Selection

Frogwater Productions

Nov 3, 2025

W4F - Fly Fishing "Henry's Fork" Idaho

Wish4Fish

Jul 2, 2019