Updated October 15, 2026
    Access point

    Sunbeam Dam Siteon Salmon River

    The starting point for many multi-day wilderness float trips.
    Salmon River reportDirections44.2670°N, 114.3330°W

    River flow last 30 days

    050100150Sep 16Sep 22Sep 2798 cfs
    Flow now
    89cfs
    Inside the typical range (89–100 cfs)
    Last 7 days
    Steady
    98 to 107 cfs
    Bite report · week of Oct 4

    Exceptionally low flows at 84

    1. 01Exceptionally low flows at 84.5 cfs, significantly below typical fall levels, concentrating fish in deeper pockets.
    2. 02Fall steelhead migration is active, with fish pushing into the system seeking refuge and holding water.
    3. 03October Caddis pupae are a potential food source, and salmon spawning provides abundant egg opportunities for Steelhead and Sturgeon.
    4. 04Focus on subsurface presentations with patterns like Egg Sucking Leeches, Green Butt Skunks, Woolly Buggers, Glo Bugs, and Tungsten Bead Pat's Rubber Legs.
    5. 05Stealth is crucial in low water; approach fishing spots carefully and focus on delicate, long drifts in deeper pools and current seams.

    What to tie on at Sunbeam Dam Site

    Picked from recent reports for this stretch.

    dry80%

    October Caddis

    The largest caddis hatch of the year in many western rivers, providing a significant food source for Steelhead and trout in the fall.

    egg80%

    Glo Bug

    #8#10#12#14

    Late winter often sees a presence of spawning whitefish or early steelhead activity, making egg patterns highly effective for trout and steelhead holding in the same runs.

    Buy at Amazon
    egg80%

    Glo Bug

    #8#10#12#14

    Mimics salmon and trout eggs, a crucial food source for opportunistic feeders like Steelhead and Sturgeon during the fall spawning season.

    Buy at Amazon
    nymph80%

    Zebra Midge

    #18#20#22#24

    Midges are the most consistent food source in Idaho rivers during February. Black or Red colors in sizes 18-22 mimic the year-round larval stages active in the substrate.

    Buy at Amazon
    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 in spring.

    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

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

    dry80%

    Glo Bug (Orange)

    #14#16

    Resident trout and char, including Rainbow Trout, remain keyed into egg patterns year-round, particularly with the upcoming spring rainbow spawn and lingering salmon eggs.

    streamer80%

    Intruder (Steelhead)

    #1/0#2/0#3/0

    Intruder patterns are designed specifically for Steelhead and are effective year-round. Swinging these through nearshore slots and tailouts can entice aggressive strikes in spring.

    Buy at Amazon
    streamer80%

    Pine Squirrel Leech (Olive)

    #14#16

    Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, lethargic trout and steelhead in early spring.

    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.

    All fly shops