Updated October 15, 2026
    Access point

    Ririe Bridge Accesson Willow Creek

    Near the town of Ririe.
    Willow Creek reportDirections43.5500°N, 111.7200°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.
    2. 02Midge activity is a year-round staple, with fish often keying in on pupae and larvae.
    3. 03Opportunistic trout may be targeting egg patterns as fall spawning begins or continues for some species.
    4. 04Streamers and scuds are effective subsurface patterns for enticing aggressive or lethargic fish in cooling waters.
    5. 05October Caddis are providing a chance for larger dry fly takes.

    What to tie on at Ririe Bridge Access

    Picked from recent reports for this stretch.

    nymph80%

    Jujubaetis

    #18#20#22

    A highly effective and versatile Baetis nymph, essential for nymphing year-round on spring creeks, particularly when BWO nymphs are active in the fall.

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    streamer80%

    Pine Squirrel Leech (Olive)

    #14#16

    Small leech patterns effectively mimic sluggish baitfish and annelids in cooling fall waters, enticing strikes from larger, lethargic trout.

    emerger80%

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    BWO emergers are crucial during fall hatches. This pattern's high visibility helps detect subtle takes from selective trout in the film.

    nymph80%

    Scud (Pink/Orange)

    #12#14#16#18

    Freshwater shrimp (scuds) are a consistent food source in spring creeks with aquatic vegetation, making this a reliable subsurface pattern year-round.

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    nymph80%

    Zebra Midge (Black)

    #20#22#24

    Midges are a primary and consistent food source in spring creeks year-round. This weighted nymph gets down to feeding trout, especially in colder fall water.

    egg80%

    Blood Dot Egg

    #10#12#14

    As fall progresses, some trout species may begin spawning or stage below spawning fish. Egg patterns can be highly effective for opportunistic feeders.

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    dry80%

    October Caddis (Dry)

    #6#8#10

    The October Caddis hatch is the largest caddis hatch of the year in many Western rivers, providing excellent dry fly opportunities in the fall.

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    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    Consistent fall BWO hatches are a primary food source on spring creeks, and this low-profile dry fly is excellent for selective trout keying on adults.

    Buy at Amazon

    Idaho season by season

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

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