Yellowstone River (YNP) - Winter Fly Box

Fish the Yellowstone like you know it — because now you do. The Yellowstone River Fall Fly Box is hand-curated specifically for the conditions, hatches, and trout behavior you'll encounter on the Yellowstone inside Yellowstone National Park from September through October. The crowds thin, the cottonwoods go gold, and the fishing gets better. BWOs provide reliable afternoon dry fly windows while big articulated streamers produce the largest fish of the season. This box is built around the Yellowstone's fall hatch calendar — blue-winged olives, Fall Caddis, and streamers for migrating fish. Every fly was chosen with BWO dry fly fishing on overcast afternoons and swinging streamers through deep pools in mind, giving you exactly what you need to match what the fish are eating at this time of year. What's in the box: 36 flies total — 18 unique patterns, 2 of each — covering articulated streamers, BWO dries, RS2 nymphs, and Fall Caddis patterns. No filler. No patterns that don't belong on th