Updated October 15, 2026
    Access point

    Above Robinson Creek Confluenceon Warm River

    More remote sections upstream from the confluence with Robinson Creek, known for larger, wilder trout.
    Warm River reportDirections44.1550°N, 111.3450°W
    Bite report · week of Oct 4

    Blue-Winged Olive (BWO) hatches are consistent

    1. 01Blue-Winged Olive (BWO) hatches are consistent, especially on overcast afternoons, providing dry fly opportunities for selective fish.
    2. 02Midge emergences remain a reliable food source throughout the day, requiring keen observation for subtle takes.
    3. 03Trout, particularly larger browns and rainbows, are becoming more aggressive, making streamer and larger nymph presentations highly effective.
    4. 04Focus on deeper pools, slow bends, and current seams where fish conserve energy and ambush prey.
    5. 05Wading access around the campground areas offers excellent opportunities to cover productive water.
    6. 06Rainbow Trout, Brown Trout, Brook Trout, and Whitefish are the primary species to target.

    What to tie on at Above Robinson Creek Confluence

    Picked from recent reports for this stretch.

    dry80%

    March Brown

    #10#12#14

    March Brown hatches are continuing through May, making this a primary dry fly for actively rising trout.

    Buy at Amazon
    nymph80%

    Stonefly Nymph (Kaufmann's Stone)

    #6#8#10

    Salmonfly hatches are just beginning around May 20th, and trout will be actively feeding on these large nymphs subsurface.

    Buy at Amazon
    streamer80%

    Woolly Bugger (Olive)

    #4#6#8

    A reliable year-round streamer, effective for imitating leeches and baitfish, especially for enticing aggressive strikes from active spring trout in varied conditions.

    nymph80%

    Micro Egg

    #14#16#18

    With rainbow trout beginning their spawn, eggs are a crucial and consistent food source for opportunistic trout.

    Buy at Amazon
    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    Consistent fall BWO hatches provide reliable dry fly action, especially on overcast days.

    Buy at Amazon
    dry80%

    Parachute BWO

    #18#20#22

    A staple fall dry fly, effective for imitating adult Blue-Winged Olives during intermittent hatches.

    emerger80%

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    Crucial for targeting selective trout feeding on emerging Blue-Winged Olives in the film during fall hatches.

    streamer80%

    Baby Brown Trout (Streamer)

    #4#6#8

    In fall, larger brown trout become highly predatory; this streamer is an effective imitation of juvenile trout.

    nymph80%

    Jujubaetis

    #18#20#22

    An excellent imitation of active Baetis nymphs, a primary food source for trout in fall.

    Buy at Amazon

    Idaho season by season

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

    Mar – MaySpringRead the guideJun – AugSummerRead the guideSep – NovFallRead the guideDec – FebWinterRead the guide

    Fly shops nearby

    Local flies, current advice and guided trips.

    All fly shops
    14MITroutHunterIsland Park15MIHenry's Fork AnglersLast Chance18MIThree Rivers Ranch OutfittersAshton, Driggs, Island Park, Boise57MIThe Lodge at Palisades CreekIdaho Falls