Hayspur Hatchery Accesson Big Wood River
River flow last 30 days
What's working on Big Wood River
- 01Consistent BWO hatches are providing good dry fly opportunities, especially on overcast afternoons.
- 02Midge activity is picking up as water temperatures drop, making small midge patterns effective subsurface.
- 03Egg patterns are highly effective as trout enter their spawning season.
- 04Streamers, particularly in olive and black, are enticing aggressive strikes from larger trout.
- 05October Caddis may provide opportunities for large dry fly eats.
What to tie on at Hayspur Hatchery Access
Picked from recent reports for this stretch.
Flashback Pheasant Tail Nymph
A classic and versatile searching nymph that imitates various mayfly nymphs active year-round, making it a dependable fall pattern.
Jujubaetis
A highly effective Baetis nymph that works year-round, making it a reliable subsurface pattern for fall.
Buy at AmazonWoolly Bugger (Olive)
A versatile streamer that imitates leeches and baitfish, excellent for enticing aggressive trout and whitefish in cooling fall waters.
Zebra Midge
The primary food source on the Big Wood in February. Black or red in sizes 20-22 are essential for imitating midge pupae in the drift.
Buy at AmazonGriffith's Gnat
The best bet for dry fly action when midges cluster on the surface during the 1 PM to 3 PM afternoon window.
Blue-Winged Olive Comparadun
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.
Zebra Midge
Midges are a primary food source for trout year-round, and this nymph is consistently effective for subsurface feeding fish in tailwaters and slower pools.
Buy at AmazonFlashback Pheasant Tail Nymph
An excellent general searching nymph for early spring, mimicking various mayfly nymphs that are active year-round and particularly as BWOs begin to emerge.
Klinkhammer
An excellent emerger pattern for both mayfly and caddis hatches throughout the spring, presenting well in the surface film to rising fish.
Buy at AmazonIdaho 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.