Ontonagon County Boat Ramps, Michigan

Ontonagon County tracks 10 public boat ramps in total, spread across 8 different rivers, creeks and lakes — most notably Lake Superior (3 ramps), Sudden Lake (1 ramp) and Bond Fall Flowage (1 ramp). Each listing below shows which waterbody it's on, so you can tell at a glance which ones actually connect.

Sourced from official state and federal agency records, last synced on July 7, 2026. Read more about how we verify this data.

10 Boat ramps
8 Waterways
0 Free to launch
6 Neighboring counties

All boat ramps in Ontonagon County

Big Iron River Lake Superior
Bond Falls East Campground Bond Fall Flowage
County Line Lake County Line Lake
Deadman Lake Deadman Lake
Lake Gogebic (North) Lake Gogebic
Ontonagon Marina Ontonagon River
Santa Monica Beach Lake Superior
Steusser Lake Steusser Lake
Sudden Lake Sudden Lake
Union Bay Lake Superior

Waterways in Ontonagon County

These are the rivers, creeks and lakes with public boat ramps in Ontonagon County. Ramps on the same waterway don't always sit close together on a map — some of these stretch across the whole county.

Bond Fall Flowage 1 County Line Lake 1 Deadman Lake 1 Lake Gogebic 1 Lake Superior 3 Ontonagon River 1 Steusser Lake 1 Sudden Lake 1

Boat ramps in neighboring counties

If Ontonagon County doesn't have what you're looking for, these bordering counties are worth a look too.

Cook County 46 ramps
Gogebic County 38 ramps
Iron County 35 ramps
Ashland County 32 ramps
Houghton County 26 ramps
Keweenaw County 8 ramps

Frequently asked questions

We track 10 public boat ramps in Ontonagon County, spread across 8 different rivers, creeks and lakes.

We haven't confirmed any free ramps in Ontonagon County yet. Fee status is verified ramp by ramp as we check each one against the source — check the fee badge on each listing below for the latest status.

Lake Superior has the most public boat ramps we track in Ontonagon County, with 3 launch points.