Overview
Bighorn Lake is a reservoir in MT, WY. Primary inflow is Bighorn River. It is managed by U.S. Bureau of Reclamation / National Park Service.
The basin is characterized by about 17,279 acres of surface area. Shoreline and bottom character vary from protected coves and flats to deeper water, supporting a mix of open-water and nearshore habitats.
Bighorn Lake supports recreational boating and fishing. Public access is through area ramps, parks, and shoreline facilities where provided by the operator. Fishing and boating regulations are set by the relevant state wildlife agency.
Pool elevations are managed against conservation or full-pool elevation near 3640 feet NGVD29. Monitoring current levels matters for ramp usability, shoreline access, and understanding storage relative to the published operating range.
Current Conditions
Bighorn Lake is currently 17.02 feet below full pool and has fallen slightly over the past week.
- 7-day trendFallingLatest movement can differ from the seven-day trend.
- 7-day changeDown 0.04 ft
- 30-day changeDown 0.04 ft
- Drought conditionsSevere Drought
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Bighorn Lake is a 17,279-acre reservoir on the Bighorn River managed by U.S. Bureau of Reclamation / National Park Service.
