Henry's Lake
Expect slow fishing except near spring areas and creek mouths such as Duck, Howard, and Targhee, Get to these early in the day, expect company, and refer to Bill Schiess's "Fishing Henry's Lake" for best fly patterns.
Fly Patterns to use:
Mini Damsel Nymph
Rohmer’s BH Simi Seal Leech Canadian Brown
Chan’s Chironomid Pupa Black/Red