Gallatin River Fishing Report

Date: 10/29/2026

Posted by: Toby Swank

Current Conditions

The Gallatin River continues to be a good option for fishing around Bozeman as we move into the end of October. The colder nights have pushed the river into more typical late-fall conditions, and fishing has remained consistent throughout much of the river. Water is generally clear, although recent rain and snow can bring some color into the river, particularly around tributaries. Late morning through the afternoon is a good window to focus on, as the water warms a little during the day.

Nymphing has been the most consistent approach, particularly through the Gallatin Canyon. Pat's rubberlegs, zebra midges, pheasant tails, and smaller perdigons are all good options. Trout are starting to favor slower, deeper runs over the fastest pocket water, so focus on getting your flies down and fishing those areas thoroughly. Dry-dropper rigs can still produce, but a standard nymph rig is a good place to start.

Streamer fishing is worth trying, especially on cloudy days and through the lower stretches of the river. Smaller olive and black patterns are good options around deeper pools and structure.

Addtional Gallatin River Fly Fishing Resources:

- October Fly Fishing in Bozeman, MT.

Stream Flows

View stream flow graph on USGS

Recommended Flies