Public Boat Ramps on the Thunder Bay River, Michigan

We currently track 4 verified public boat ramps with access to Thunder Bay River in Michigan, across 2 different counties. Use the map and ramp listings below to compare launch locations, fees and access details.

4 Boat ramps
2 Counties
No free ramps confirmed yet
Montmorency County Top county (2)

Map of the Thunder Bay River Boat Ramps

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

Counties with access to the Thunder Bay River

Thunder Bay River runs through 2 counties we track ramps in. Montmorency County has the most, with 2 of them.

Frequently asked questions

The questions people ask most often before launching on Thunder Bay River.

There are currently 4 public boat ramps on Thunder Bay River in Michigan, spanning 2 counties.

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

Montmorency County has the most, with 2 public boat ramps on Thunder Bay River.

Sourced from Michigan DNR Boating Access Sites and Michigan Department of Natural Resources.
Data on this page was last updated September 7, 2026, based on the latest ramp data update.