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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. Little Lost River

Updated September 19, 2026

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Idaho Rivers › Eastern Idaho

Little Lost River

Premier Idaho trout water with diverse seasonal hatches.

Recommended water45 mi · 73 kmFreestone RiverTrout fishery
View on MapGet Directions
Rainbow troutCutthroat troutBrook troutMountain whitefish

A Legendary Idaho Fishery

Lost River drainage trout 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 Little Lost River

Around Howe

Main stretch

Around Flood Diversion

Around Wet Creek

Access

Fish in Little Lost River

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

Hatches on Little Lost River

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

Regulations

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

View IDFG Regulations

Guides & Outfitters

Recent conditions on Little Lost River

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

Videos on Little Lost River

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

Photos

Nearby Communities

  • Clyde11.5 mi
  • Berenice13.8 mi
  • Howe15.7 mi
  • Blue Dome16.4 mi
  • Lone Pine17 mi
  • Darlington18.3 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosNearby Communities

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Little Lost River

The Little Lost River 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.

  • Brook Trout
    Brook TroutA colorful introduced char of Idaho’s cold streams, small rivers, lakes, and reservoirs.
  • Cutthroat Trout
    Cutthroat TroutIdaho’s native trout, built for cold streams and lakes and famous for rising to a well-drifted fly.
  • 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.

Guides & Outfitters

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

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

Videos on Little Lost River

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

Wild Trout, Dinosaurs and The October leaves: Idaho's Little Lost River

3 Dogs and a Fat Man

Dec 6, 2024

Lost River: Reclaiming Idaho's Vanishing Waters – Rare 1951 U.S. Government Documentary

Jacob Constien

Aug 28, 2025

Hatches on Little Lost River

The Little Lost River has 9 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
Midge
Sculpin
Caddis
Golden Stonefly
Pale Morning Dun
Ant
Grasshopper
Trico
PeakActiveSelect a dot for timing and patterns, or a month to focus it.

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