Includes the Madison and Gallatin river drainages, including Firehole and Gibbon rivers and tributaries.
Permanently Closed to Fishing
Use only artificial flies regardless of the type of rod or line.
Native Trout Conservation Area
Nonnative Trout Tolerance Area
Native Fish Species
Native fish underpin natural food webs and have great local economic significance.
Fisheries & Aquatic Sciences Program
Explore the National Park Service science program for fish and aquatic species.
Last updated: April 14, 2022