Below the Dam (Lower Sections)on Anderson Ranch Reservoir Tailwater
Current conditions are clear and cold
- 01Current conditions are clear and cold, with flows likely in the typical fall range (207-235 CFS).
- 02Anticipate consistent Blue-Winged Olive (BWO) hatches, especially on overcast days.
- 03Midges are a year-round, primary food source; focus on larval and pupal stages.
- 04Kokanee spawning in Anderson Ranch Reservoir means egg patterns are highly effective in the tailwater.
- 05Top fly patterns include BWO dries/emergers (sizes 18-22), midge pupa (sizes 20-22), egg patterns (sizes 10-14), and olive leech streamers (sizes 14-16).
What to tie on at Below the Dam (Lower Sections)
Picked from recent reports for this stretch.
Blue-Winged Olive (BWO) Comparadun
Consistent fall BWO hatches provide excellent dry fly opportunities for selective trout in tailwater environments.
Buy at AmazonBaetis Nymph
Baetis nymphs are a year-round staple in tailwaters, and highly effective during fall BWO periods for actively feeding trout.
TH Zebra Midge
This weighted midge pattern effectively gets into the strike zone, imitating one of the most consistent food sources for tailwater trout year-round.
Pine Squirrel Leech (Olive)
Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, predatory trout and bull trout.
Travis Hi-Vis BWO Para Emerger
BWO emergers are crucial during fall hatches, targeting trout feeding just below the surface in the Anderson Ranch Tailwater.
Iced Out Midge Pupa
Midges are a primary and consistent food source in cold tailwaters, making this pupa pattern highly effective for trout in the fall.
Buy at AmazonTungsten Bead Pat's Rubber Legs
This heavy stonefly nymph is excellent for getting deep in the current, imitating a substantial food source for larger trout and bull trout.
Buy at AmazonBlood Dot Egg
With Kokanee spawning in Anderson Ranch Reservoir, egg patterns will be a significant food source for trout and other species downstream in the tailwater.
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.