Updated October 15, 2026

    Little Wood River

    river in Idaho

    The Little Wood River flows from the Pioneer Mountains. Its upper and middle sections offer diverse habitat for trout, with a mix of riffles, runs, and pools. Good hatches make for consistent dry fly fishing.

    Conditions right now

    No USGS gauge is linked to this water yet, so we can't chart flows.

    Weather now
    64°F
    Clear Sky, wind 7 mph SE
    Bite report · week of Oct 4

    Consistent Blue-Winged Olive (BWO) hatches

    1. 01Consistent Blue-Winged Olive (BWO) hatches, especially on overcast afternoons.
    2. 02Midge activity remains a primary and consistent food source subsurface.
    3. 03Look for larger October Caddis adults in the evenings, particularly in the upper freestone areas.
    4. 04Focus on deeper pools and runs in both the upper freestone and lower desert sections.
    5. 05Employ a dry-dropper rig with an October Caddis dry and a BWO nymph or midge pupa dropper, or a slow retrieve for streamers.

    Past reports week by week

    7 weeks

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    nymph

    Jujubaetis

    Baetis nymph
    #18#20#22

    A versatile Baetis nymph that is highly effective during fall BWO emergence and as a general searching pattern subsurface.

    Buy at Amazon
    streamer

    Pine Squirrel Leech

    #14#16

    A smaller leech pattern that effectively mimics sluggish baitfish and annelids in cooling fall waters, enticing larger trout.

    Buy at Amazon
    nymph

    Zebra Midge

    Midge pupa (Chironomidae)
    #18#20#22#24

    Midges are a year-round staple, becoming even more critical as water temperatures cool in the fall, offering consistent subsurface feeding.

    Buy at Amazon
    emerger

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    Essential for targeting selective trout feeding on vulnerable BWO emergers trapped in the surface film during fall hatches.

    dry

    October Caddis

    The October Caddis is a significant fall hatch, providing a large meal for opportunistic trout in the evenings.

    dry

    Blue-Winged Olive (BWO) Comparadun

    Baetis (BWO) adult
    #18#20#22#24

    Consistent fall BWO hatches provide reliable dry fly opportunities for selective trout.

    Buy at Amazon
    egg

    Blood Dot Egg

    Salmon/trout egg
    #10#12#14

    Fall is spawning season for some trout species; egg patterns are crucial for opportunistic feeders below redds.

    Buy at Amazon
    streamer

    Woolly Bugger

    Leech/baitfish
    #4#6#8#10#12

    A highly versatile streamer pattern that imitates leeches and baitfish, which become key food sources for aggressive trout as water cools.

    Where to fish and who to ask

    Picabo Angler Fly Shop · PicaboSun Valley Outfitters · KetchumSilver Creek Outfitters · Sun Valley1Careywood Section2Little Wood Reservoir Tailwater
    AccessFly shopGuide trips
    1

    Careywood Section

    Accessible stretches near Careywood, offering good public access to wade and fish the freestone river.

    43.336°N 114.051°WUSGS 13134000Directions
    2

    Little Wood Reservoir Tailwater

    The productive tailwater section directly below the dam, known for consistent flows and good trout populations.

    43.436°N 113.979°WDirections

    Fly shops within 40 miles

    8mi

    Picabo Angler Fly Shop

    Picabo, IDGuide trips
    32mi

    Sun Valley Outfitters

    Ketchum, IDGuide trips
    33mi

    Silver Creek Outfitters

    Sun Valley, IDGuide trips

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    Idaho season by season

    What changes on the water through the year, with the flies for each season.

    Read before you go

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    Quick answers

    Common questions about Little Wood River.

    What flies work best on Little Wood River?

    Our top scored fly patterns for Little Wood River right now are Blue-Winged Olive (BWO) Comparadun (80% confidence), Woolly Bugger (Olive) (80% confidence), Flashback Pheasant Tail Nymph (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Little Wood River?

    Little Wood River holds Brown Trout, Rainbow Trout, Brook Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    What are current flow conditions on Little Wood River?

    Live USGS streamflow readings for Little Wood River are charted in the sidebar of this page and updated automatically from the nearest gauge.

    Is Little Wood River fishing well right now?

    We publish a fresh bite report for Little Wood River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.