BoatRampMap.com
Acquiring satellite view…

Main Dam Impoundment

Authoritative
Marquette County, Wisconsin, 53926→|Grand River - Main Impoundment

Location

GPS Coordinates
USGS1 data sourceUpdated Mar 2026

Nearby Ramps

Main Dam Tailwaters
Grand River
0.1 mi
Grand River Locks
Fox River
2.3 mi
Grand River Locks Access
Fox River
2.4 mi
Grand River Road
Grand River - Main Impoundment
2.7 mi
Lake Puckaway
Puckaway Lake
2.9 mi
More nearby ramps

Main Dam Impoundment is a public boat ramp on Grand River - Main Impoundment in Marquette County, Wisconsin (53926). GPS coordinates: 43.7288°N, 89.2610°W.