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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. Snake River, Swan Falls Dam to Brownlee Reservoir

Updated September 19, 2026

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Idaho Rivers › Eastern Idaho

Snake River, Swan Falls Dam to Brownlee Reservoir

Premier Idaho trout water with diverse seasonal hatches.

Recommended water45 mi · 73 kmFreestone RiverBass & sturgeon
View on MapGet Directions
Smallmouth bassChannel catfishWhite sturgeonCarp

A Legendary Idaho Fishery

Warm-water mainstem reach from Swan Falls Dam through the Snake River Birds of Prey corridor to the upstream end of Brownlee Reservoir. Premier Idaho smallmouth water plus white sturgeon catch-and-release fishery (sturgeon may not be removed from the water).

Sources: idfg.idaho.gov

Best Season

May – October

River Type

Freestone

Skill Level

Beginner – Intermediate

Best Techniques

Dry Flies, Nymphing

Access

Moderate

Gauge stations along the Snake River, Swan Falls Dam to Brownlee Reservoir

Primary stations

Related stations

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Fish in Snake River, Swan Falls Dam to Brownlee Reservoir

Explore fish species associated with the Snake River, Swan Falls Dam to Brownlee Reservoir. Each profile includes identification tips, habitat notes, and practical fishing guidance for Idaho anglers.

Hatches on Snake River, Swan Falls Dam to Brownlee Reservoir

Review seasonal insect hatches on the Snake River, Swan Falls Dam to Brownlee Reservoir, including timing windows and fly pattern suggestions for Idaho fly fishing.

Regulations

Check current seasons, limits, and special rules for Snake River, Swan Falls Dam to Brownlee Reservoir before you go. Regulations change, so always verify with IDFG.

View IDFG Regulations

Guides & Outfitters

Recent conditions on Snake River, Swan Falls Dam to Brownlee Reservoir

The latest fishing conditions and hatch notes for Snake River, Swan Falls Dam to Brownlee Reservoir. Older reports live in the Snake River, Swan Falls Dam to Brownlee Reservoir report archive.

Videos on Snake River, Swan Falls Dam to Brownlee Reservoir

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

Photos

Nearby Communities

  • Guffey1.4 mi
  • Warrens1.4 mi
  • Walters Ferry4.3 mi
  • Melba4.5 mi
  • Murphy6.7 mi
  • Westma7.3 mi

On this page

Overview
Flows
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River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Snake River, Swan Falls Dam to Brownlee Reservoir

The Snake River, Swan Falls Dam to Brownlee Reservoir supports 4 fish species in our Idaho fishing catalog. Browse each profile for identification tips, seasonal patterns, and how these species are managed on this water.

  • Carp
    CarpCommon carp are powerful, adaptable bottom feeders built for the Snake’s warm, slower water.
  • Channel Catfish
    Channel CatfishChannel catfish deliver steady warmwater action and real trophy potential in Idaho’s Snake River.
  • Smallmouth Bass
    Smallmouth BassAn introduced warmwater brawler that hammers lures around rock, current seams, and river structure.
  • White Sturgeon
    White SturgeonIdaho’s largest native fish prowls big Snake River runs and is strictly protected from harvest.

Other reaches in the Snake River

8 reaches
  • Henrys Fork of the Snake River

    Trout fishery82 mi · 132 km
  • 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

Hatches on Snake River, Swan Falls Dam to Brownlee Reservoir

The Snake River, Swan Falls Dam to Brownlee Reservoir has 7 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
Baitfish
Leech
Midge
Sculpin
Caddis
Crayfish
Grasshopper
PeakActiveSelect a dot for timing and patterns, or a month to focus it.

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Videos on Snake River, Swan Falls Dam to Brownlee Reservoir

These 1 YouTube videos have been hand-curated by our team because we feel they best represent the Snake River, Swan Falls Dam to Brownlee Reservoir fishery. Each pick highlights river character, access, and techniques worth knowing before you fish this Idaho water.

Iconic Rises - 2025 Fly Fishing Film Tour Official Selection

Frogwater Productions

Nov 3, 2025

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Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Snake River, Swan Falls Dam to Brownlee Reservoir.

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