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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. Cayuse Creek

Updated September 2, 2026

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Idaho Rivers › Eastern Idaho

Cayuse Creek

Premier Idaho trout water with diverse seasonal hatches.

Recommended water36 mi · 58 kmFreestone RiverTrout fishery
View on MapGet Directions
Westslope cutthroat troutBull trout present/protectedMountain whitefish likely in connected system

A Legendary Idaho Fishery

Kelly Creek tributary (~35.9 mi) in Clearwater and Idaho Counties. Special rules: Kelly Creek and tributaries, trout catch-and-release, barbless hooks, no bait.

Sources: idfg.idaho.gov · 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 Cayuse Creek

No gauges
No USGS gauges on this stretch.

Access

Fish in Cayuse Creek

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

Hatches on Cayuse Creek

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

Regulations

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

View IDFG Regulations

Guides & Outfitters

Recent conditions on Cayuse Creek

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

Videos on Cayuse Creek

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

Photos

Nearby Communities

  • Powell Junction12.5 mi
  • Lolo Hot Springs20.8 mi
  • Tarkio28 mi
  • Quartz29.5 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosNearby Communities

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Cayuse Creek

The Cayuse Creek supports 3 fish species in our Idaho fishing catalog. Browse each profile for identification tips, seasonal patterns, and how these species are managed on this water.

  • Bull Trout
    Bull TroutIdaho’s native char: a coldwater apex predator that is protected and must be released.
  • Mountain Whitefish
    Mountain WhitefishA native coldwater scrapper that shines on nymphs when trout fishing slows down.
  • Westslope Cutthroat Trout
    Westslope Cutthroat TroutIdaho’s native westslope cutthroat thrives in cold, clear mountain rivers and eager dry-fly water.

Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Cayuse Creek.

Guides & Outfitters

View all
Cayuse Outfitting, LLC on the water

Cayuse Outfitting, LLC · Outfitter · Cottonwood, ID

Cayuse Outfitting offers guided hunting and fishing experiences in Idaho's backcountry, specializing in elk, moose, and bear hunts, as well as fly fishing trips.

SummerLimited groupsAll levels
Kelly CreekCayuse Creek

Access

No access sites yet
No mapped access sites along this river yet.

Hatches on Cayuse Creek

The Cayuse Creek has 16 documented insect hatches across spring, summer, fall, and winter. Review seasonal timing and recommended fly patterns to plan productive days on this Idaho water.

Likely hatching

  • October caddis
  • Blue-winged olives / Baetis
  • Mahogany duns

Recommended flies

  • October Caddis
  • BWO
  • Mahogany Dun
  • Soft hackle

Videos on Cayuse Creek

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

No videos
No related videos yet.