Public Boat Ramps on Grand River - Main Impoundment, Wisconsin

We currently track 2 verified public boat ramps with access to Grand River - Main Impoundment in Wisconsin, across 2 different counties. Use the map and ramp listings below to compare launch locations, fees and access details.

2 Boat ramps
2 Counties
No free ramps confirmed yet
Marquette County Top county (1)

Map of Grand River - Main Impoundment Boat Ramps

Compare every public boat ramp on Grand River - Main Impoundment in one map. See where each launch is located, compare access points, and choose the most convenient place to get on the water.

Boat launch locations on Grand River - Main Impoundment

Browse every verified launch site we've published on this waterway, with fee information, nearby towns and access details.

Grand River Road Near Marquette · Oshkosh · Green Lake County
Main Dam Impoundment Near Montello · Oshkosh · Marquette County

Counties with access to the Grand River - Main Impoundment

Grand River - Main Impoundment runs through 2 counties we track ramps in. Marquette County has the most, with 1 of them.

Marquette County 1 ramp
Green Lake County 1 ramp

Frequently asked questions

The questions people ask most often before launching on Grand River - Main Impoundment.

There are currently 2 public boat ramps on Grand River - Main Impoundment in Wisconsin, spanning 2 counties.

We haven't confirmed any free ramps on Grand River - Main Impoundment yet - check the fee badge on each listing for the latest status.

Marquette County has the most, with 1 public boat ramp on Grand River - Main Impoundment.

Sourced from Wisconsin Department of Natural Resources.
Data on this page was last updated September 26, 2026, based on the latest ramp data update.