Updated October 15, 2026
    Access point

    Bliss Valley Accesson Anderson Ranch Reservoir Tailwater

    More remote sections, often requiring a float trip for access.
    Anderson Ranch Reservoir Tailwater reportDirections43.4600°N, 115.6000°W
    Bite report · week of Oct 11

    Current conditions are clear and cold

    1. 01Current conditions are clear and cold, with flows likely in the typical fall range (207-235 CFS).
    2. 02Anticipate consistent Blue-Winged Olive (BWO) hatches, especially on overcast days.
    3. 03Midges are a year-round, primary food source; focus on larval and pupal stages.
    4. 04Kokanee spawning in Anderson Ranch Reservoir means egg patterns are highly effective in the tailwater.
    5. 05Top fly patterns include BWO dries/emergers (sizes 18-22), midge pupa (sizes 20-22), egg patterns (sizes 10-14), and olive leech streamers (sizes 14-16).

    What to tie on at Bliss Valley Access

    Picked from recent reports for this stretch.

    dry80%

    Blue-Winged Olive (BWO) Comparadun

    #18#20#22#24

    Consistent fall BWO hatches provide excellent dry fly opportunities for selective trout in tailwater environments.

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    nymph80%

    Baetis Nymph

    #16#18#20#22

    Baetis nymphs are a year-round staple in tailwaters, and highly effective during fall BWO periods for actively feeding trout.

    nymph80%

    TH Zebra Midge

    #20#22#24

    This weighted midge pattern effectively gets into the strike zone, imitating one of the most consistent food sources for tailwater trout year-round.

    streamer80%

    Pine Squirrel Leech (Olive)

    #14#16

    Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, predatory trout and bull trout.

    emerger80%

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    BWO emergers are crucial during fall hatches, targeting trout feeding just below the surface in the Anderson Ranch Tailwater.

    nymph80%

    Iced Out Midge Pupa

    #18#20#22

    Midges are a primary and consistent food source in cold tailwaters, making this pupa pattern highly effective for trout in the fall.

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    nymph80%

    Tungsten Bead Pat's Rubber Legs

    #4#6#8#10

    This heavy stonefly nymph is excellent for getting deep in the current, imitating a substantial food source for larger trout and bull trout.

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    egg80%

    Blood Dot Egg

    #10#12#14

    With Kokanee spawning in Anderson Ranch Reservoir, egg patterns will be a significant food source for trout and other species downstream in the tailwater.

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    Idaho season by season

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

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    Fly shops nearby

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