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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. Saint Maries River

Updated September 2, 2026

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Idaho Rivers › Eastern Idaho

Saint Maries River

Premier Idaho trout water with diverse seasonal hatches.

Recommended water43 mi · 68 kmFreestone RiverMixed warm-water
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Cutthroat troutBrook troutMountain whitefishSmallmouth bassWarmwater lower-system species

A Legendary Idaho Fishery

Better as mixed fishery layer than strict blue-ribbon trout label.

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 Saint Maries River

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Fish in Saint Maries River

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

Hatches on Saint Maries River

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

Regulations

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

View IDFG Regulations

Guides & Outfitters

Recent conditions on Saint Maries River

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

Videos on Saint Maries River

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

Photos

Nearby Communities

  • Wayland1.2 mi
  • Mashburn1.9 mi
  • Santa2.2 mi
  • Renfrew2.8 mi
  • Flat Creek3.8 mi
  • Fernwood5.7 mi

On this page

Overview
Flows
Live camerasAccessFishHatchesRegulationsGuides & OutfittersVideosPhotosNearby Communities

River Tools

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Map data © Mapbox © OpenStreetMap

Fish in Saint Maries River

The Saint Maries 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.
  • Smallmouth Bass
    Smallmouth BassAn introduced warmwater brawler that hammers lures around rock, current seams, and river structure.

Guides & Outfitters

Fishing guides, outfitters, shuttles, and shops that operate on the Saint Maries River.

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

Videos on Saint Maries River

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

No videos
No related videos yet.

Hatches on Saint Maries River

The Saint Maries River has 15 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
Midge
Sculpin
Skwala
Blue-winged Olive
March Brown
Crayfish
Salmonfly
Caddis
Golden Stonefly
Pale Morning Dun
Yellow Sally
Ant
Beetle
Grasshopper
PeakActiveSelect a dot for timing and patterns, or a month to focus it.

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