Updated October 15, 2026
    Access point

    Little Wood Reservoir Tailwateron Little Wood River

    The productive tailwater section directly below the dam, known for consistent flows and good trout populations.
    Little Wood River reportDirections43.4358°N, 113.9789°W

    Conditions right now

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

    Weather now
    60°F
    Clear Sky, wind 6 mph S
    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.

    What to tie on at Little Wood Reservoir Tailwater

    Picked from recent reports for this stretch.

    dry80%

    Blue-Winged Olive (BWO) Comparadun

    #18#20#22#24

    Blue-Winged Olives begin their spring emergence in March and continue through May. This low-profile dry fly is excellent for selective trout feeding on emergers and adults, especially on overcast days common this time of year.

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    streamer80%

    Woolly Bugger (Olive)

    #4#6#8

    A versatile and reliable streamer, effective year-round for imitating leeches and baitfish. It's particularly good in the colder, higher flows of spring for targeting aggressive trout.

    nymph80%

    Flashback Pheasant Tail Nymph

    #14#16#18

    A year-round staple, this nymph effectively imitates various small mayfly nymphs, including those of the Blue-Winged Olives, which are highly active in the Little Wood River during spring.

    nymph80%

    Tungsten Bead Pat's Rubber Legs

    #4#6#8#10

    Immature stoneflies are always present in the river's substrate. A weighted Rubber Legs serves as an excellent lead fly in a nymph rig to get smaller patterns down to the fish, particularly in deeper runs.

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    dry80%

    Mother's Day Caddis

    #14#16#18

    The prolific Mother's Day Caddis hatch is expected in late April through May in many Western rivers. This dry fly is a perfect imitation for adult caddis, drawing aggressive strikes from trout looking up.

    nymph80%

    Micro Egg

    #14#16#18

    With the spring spawning season for resident trout, egg patterns can be highly effective. This imitation mimics loose eggs in the drift, a key food source for opportunistic trout.

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    nymph80%

    Tactical Peeping Caddis TH Jig

    #14#16#18

    Caddis pupae are actively emerging in spring. This weighted jig nymph effectively imitates subsurface caddis, crucial for getting down to fish feeding on these ascending insects.

    nymph80%

    Zebra Midge (Black)

    #20#22#24

    Midges are a primary, year-round food source for trout, especially in colder spring waters. This staple nymph is highly effective for enticing finicky Rainbow, Brown, and Brook Trout.

    dry80%

    Hopper Juan

    #6#8#10#12

    Grasshoppers are a primary food source along grassy banks in mid-summer, a key pattern for opportunistic trout in the lower desert stretch.

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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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