Updated October 15, 2026
    Access point

    Palisades Dam Accesson South Fork of the Snake River luxury

    The standard launch point for float trips starting directly below the dam.

    River flow last 30 days

    02,0004,000Sep 16Sep 22Sep 274,048 cfs
    Flow now
    2,500cfs
    Below the typical range (4,070–4,620 cfs)
    Last 7 days
    Falling
    4,048 to 4,550 cfs
    Bite report · week of Oct 4

    Pleasant fall conditions with clear skies and 51°F

    1. 01Pleasant fall conditions with clear skies and 51°F.
    2. 02Hopper season winding down, offering last terrestrial opportunities.
    3. 03Consistent midge activity year-round, effective subsurface.
    4. 04Strong BWO and PMD hatches providing dry fly opportunities.
    5. 05October Caddis hatch providing a significant food source.
    6. 06Sculpins and baitfish crucial subsurface forage for Cutt-bows.
    7. 07Focus fishing efforts on banks, brush, buckets, and riffle edges.
    8. 08Employ a dry-dropper rig for varied food source coverage.

    What to tie on at Palisades Dam Access

    Picked from recent reports for this stretch.

    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    BWOs are a significant fall hatch, and this pattern is excellent for selective trout keying on emergers/adults.

    Buy at Amazon
    nymph80%

    Tungsten Bead Pat's Rubber Legs

    #4#6#8#10

    Used as a heavy 'anchor' fly to get a nymph rig down to the bottom in deep winter holding water. Large stonefly nymphs are present year-round in the South Fork substrate stack.

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    dry80%

    October Caddis (Dry)

    #6#8#10

    The largest caddis hatch of the year in many western rivers, providing excellent dry fly opportunities in the fall.

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    nymph80%

    Tungsten Bead Pat's Rubber Legs

    #4#6#8#10

    A heavy stonefly nymph imitation is crucial for getting deep in the current where larger insects are dislodged, a consistent food source.

    Buy at Amazon
    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    Blue-Winged Olives are actively hatching in early spring, especially on overcast days, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults.

    Buy at Amazon
    nymph80%

    Zebra Midge

    #18#20#22#24

    A winter staple on the South Fork. Black or red midges in small sizes match the most consistent biomass available to trout during the coldest months.

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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, making this dry fly a perfect imitation for adult caddis.

    nymph80%

    Flashback Baetis Nymph

    #18#20#22

    This nymph aligns with active early spring mayfly nymph activity.

    nymph80%

    Cheater Belly Stonefly Nymph

    #6#8#10

    Productive stonefly imitation for the South Fork until the salmonfly hatch, crucial for targeting cutthroat in the high, cold, off-color water.

    Idaho season by season

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

    Fly shops nearby

    Local flies, current advice and guided trips.

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