Updated October 15, 2026
    Access point

    Corn Creek / Riggins Corridoron Main Salmon River (The River of No Return)

    Lower-main access near Riggins providing popular float sections and good wading in side channels.
    Bite report · week of Oct 4

    Midge hatches (sizes 18-22) are consistent

    1. 01Midge hatches (sizes 18-22) are consistent, providing reliable subsurface action.
    2. 02Blue-Winged Olive (BWO) hatches are expected on overcast afternoons, offering dry fly opportunities.
    3. 03October Caddis (sizes 6-10) are making their annual fall appearance.
    4. 04Egg patterns are crucial due to ongoing salmonid spawning activity in the system.
    5. 05Streamers imitating sculpins and baitfish are effective for enticing larger, predatory trout and bull trout.

    What to tie on at Corn Creek / Riggins Corridor

    Picked from recent reports for this stretch.

    dry80%

    October Caddis (Dry)

    #6#8#10

    The October Caddis is one of the last significant caddis hatches of the year, offering prime dry fly opportunities for rising fish.

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    dry80%

    Glo Bug (Orange)

    #14#16

    The fall salmonid spawn makes egg patterns highly effective as resident trout and bull trout key into this readily available, high-calorie food source.

    streamer80%

    Olive Woolly Bugger

    #4#6#8

    A versatile and reliable streamer, effective year-round for imitating leeches and baitfish, crucial for enticing aggressive strikes from predatory trout and bull trout in cooler fall waters.

    dry80%

    Elk Hair Caddis #14

    #14#16#18

    Caddis hatches are a staple during summer on the Main Salmon River. This pattern effectively imitates active adult caddis, a key food source for Westslope Cutthroat Trout and Wild Rainbow Trout.

    nymph80%

    Zebra Midge #20

    #20#22#24

    Midges are a primary and consistent food source year-round on freestone rivers like the Main Salmon River. This small nymph is effective as a subsurface searching pattern for selective Westslope Cutthroat Trout and Wild Rainbow Trout.

    terrestrial80%

    Hopper #10

    #6#8#10

    Summer is prime terrestrial season on the Main Salmon River, with grasshoppers providing a substantial food source along grassy banks for opportunistic Westslope Cutthroat Trout and Wild Rainbow Trout.

    nymph80%

    Copper John

    #14#16#18

    The Copper John is a versatile attractor nymph, effective year-round in faster water. It's an excellent point fly in nymph rigs for Westslope Cutthroat Trout and Wild Rainbow Trout on the Main Salmon River.

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    dry80%

    Yellow Sally #16

    #14#16

    Yellow Sally stoneflies are abundant along freestone streams like the Main Salmon River in summer, drawing aggressive strikes from Westslope Cutthroat Trout and Wild Rainbow Trout.

    terrestrial80%

    Beetle #14

    #14#16

    Terrestrial beetles are often dislodged from streamside vegetation during summer on the Main Salmon River, making this foam pattern highly effective for trout looking for surface food near shaded banks.

    Idaho season by season

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