Big Rock Detention Reservoir
Big Rock Detention Reservoir is a lake about 28 miles from Nashua. Use the map pin for orientation; fishing, boating, and shoreline access vary by season and ownership.
Key facts
- Type
- Lake
- Distance
- 28 mi from Nashua
- Nearest town guide
- Nashua, Montana
Quick answers
Where is Big Rock Detention Reservoir?
Big Rock Detention Reservoir is a lake 28 mi from Nashua, 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.