Fall is one of the best times of year to fly fish in Montana, near Big Sky. As summer crowds fade and temperatures cool, the rivers around Bozeman cool off and fish well. The Gallatin River runs low and clear this time of year, making it easy to wade, and the surrounding canyon turns bright with fall colors as October fades to November. The Upper Madison River and Yellowstone River are also strong fall options, especially for anglers who want to streamer fly fish or look for a few bigger brown trout.
Fishing in the fall changes day to day with the weather. Cold mornings are common, so most days start later than they do in July and August. As the sun warms the water, fish slide into softer buckets and hold there throughout the afternoon. Baetis hatches become more regular on cloudy days when the dry-fly fishing can be surprisingly good. Streamer fishing also picks up, especially on the Madison and Yellowstone rivers as brown trout become more active during these prespawn weeks.
Fall is a great time to fish small dries and light nymph rigs on the Gallatin River, but keep a streamer rod close by. Brown trout get more active as the season moves along, and a simple color change or slower retrieve can be the difference between seeing nothing and finding the fish you’re looking for. Cloudy afternoons are usually the most productive time of day this time of year.
The Gallatin River offers easy wading and steady fishing with small flies.
The Upper Madison River stays consistent in fall with reliable nymphing.
The Yellowstone River has cooler water in fall and is a good place to look for brown trout on streamers.
With over two decades of experience outfitting Montana fly fishing trips, fall stands out for our guides as one of the best times of year for experienced anglers visiting our homewaters in Southwest Montana. Cooler weather, fewer people on the water, and active trout make this a great season to plan a trip.
Day trips from Big Sky to the Gallatin River, Upper Madison River, and Yellowstone River fit well into longer Bozeman fly fishing itineraries. Many anglers choose to spend a full day on the Upper Madison River or Yellowstone River to experience Montana fly fishing in the fall.
Custom itineraries are available for guests who want to build several days of fishing around Big Sky and Bozeman. We can help line up the best rivers for the time of year and your experience level so each day has a clear plan and reasonable drive times.
Reservations for guided fly fishing trips near Big Sky are available online, via e-mail, or by calling us at 1-406-468-5019. Our guided trips start and end at our guide service headquarters near Four Corners in Bozeman. Guests staying in Big Sky should plan on a 1-hour drive to meet their guides on the mornings of their trip.
Plan your Bozeman fly fishing trip around the best times of the year when water conditions, hatches, and trout activity are at their peaks to get the most out of...
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