Temporary River Closure due to constriction (closed to recreational floating) on the Gallatin River from the Upper Deer Creek boat launch (river mile 65) to the Portal Creek boat launch (river mile 63) starting March 2, 2026.
The closure will begin March 2 and is expected to last through most of March.
Emergency river closure due to bridge construction (closed to all forms of use) are in effect for the Sun River - beginning 500 feet upstream and ending 500 feet downstream of the Sun River Bridge (also know as Pishkun Road Bridge) starting July 30.
Adoption of an emergency rule closing a portion of the Sun River (MAR Notice No. 2025-301.1).
The closure of this portion of the Sun River will remain in place until either the emergency rule lapses or the construction is complete and the department determines the area is safe for the public to use.