Updated 11/09/25

Current Flow: ~ 397 CFS @ Gallatin Gateway

The Gallatin continues to fish consistently, especially during that 11 AM – 4 PM window. As the sun warms the valley, trout move from deep pockets into riffles and softer seams to feed on midges and small baetis nymphs.

Nymphing is the most reliable method, but on calm, cloudy afternoons, expect a few risers on the softer edges. A dry-dropper rig with a small midge or BWO nymph underneath a parachute adams has been a go-to for covering both zones.

Recommended Flies:

·       Nymphs: Perdigon #16-18, Zebra Midge #16-18, Rubberlegs #8-12, Rainbow Warrior #18, Slush Egg #14

·       Dries: BWO Sparkle Dun #18–20, Parachute Adams #16-18, Griffith’s Gnat #18-20, Film Critic BWO #18

·       Streamers: Small Sculpzilla #8, Mini Dolly Llama, Mini Dungeon

Tactics: Work pocket water and seams, fish small and deep, and focus your efforts once the water starts to warm.