Montana /
Tongue River Reservoir
Reservoir in Montana · 3,137 acres
Tongue River Reservoir has 2 boat ramps listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2025 and 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Launches
- Tongue River Reservoir State Park Campers Point North Boat Ramp · Boat ramp
- Tongue River Reservoir State Park Peewee Point North Boat Ramp · Boat ramp
Community
Where people who fish, boat and paddle Tongue River Reservoir talk about it. Lake associations, clubs and local groups will be added as we find them.