Southwestern Montana

Hebgen Lake gulpers are on-going for the still water guy, and Madison River giant stonefly hatch on going for the moving water guy. Try Madison Arm for gulpers. Try between Quake and Hebgen lakes for giant stoneflies. Expect company at both locations.
Fly Patterns to use:
Elden’s Golden
Coppertop Duracell
Improved Sparkle Dun PMD