Three Mile Reservoir
Three Mile Reservoir is a lake about 10 miles from Helena. Use the map pin for orientation; fishing, boating, and shoreline access vary by season and ownership.
Key facts
- Type
- Lake
- Distance
- 10 mi from Helena
- Nearest town guide
- Helena, Montana
Quick answers
Where is Three Mile Reservoir?
Three Mile Reservoir is a lake 10 mi from Helena, Montana. Use the map for the exact location.
How do I get there?
Use Google Maps directions to this pin, or open the larger map for orientation. Road and gate access can change with weather and season.