Local Trout Unlimited chapter — coldwater conservation, chapter meetings, and river outings.
Madison-Gallatin Trout Unlimited
2nd Wednesdays · Oct–May (no February) · free & open to the public
Second Wednesday of the month, free and open to the public. No meeting in February (banquet month) or June–September. Start time is not published — confirm with the chapter.
Madison-Gallatin Trout Unlimited
Annual Saturday work days · spring watershed cleanup, June weed pull, August Madison cleanup
Area rivers
Annual Saturday events rather than a weekly series: the Spring Gallatin Watershed Cleanup (10am–1pm), the Gallatin River Weed Pull at Moose Creek Campground (9–11am, with Grow Wild), and the Lower Madison River Cleanup from Warm Springs Boat Launch (9am–1pm).