← Hatches

March Browns

Mayfly

Western March Browns · Rhithrogena

☁️ Best on overcast days Active on 0 of 5 sections today

Fly Patterns

Dries March Brown Dun #12-14 Parachute Adams #12-18 Royal Wulff #10-18

Where & When

Gallatin 1 section

Gallatin Canyon
Apr–May · #12-16 · 46°F trigger

Yellowstone 2 sections

Paradise Valley
Apr–May · #10-14 · 45°F trigger
Livingston
Apr–May · #10-14 · 45°F trigger

Big Hole 1 section

Upper Big Hole
Apr–May · #12-16 · 46°F trigger

East Gallatin 1 section

Bozeman
Mar–Apr · #14-16 · 46°F trigger