BoatRampMap.com
Acquiring satellite view…

Thunder Bay River

Authoritative
Alpena County, Michigan, 49707→|Lower South Branch Thu

Location

GPS Coordinates

About This Ramp

Hours
4:00am-11:00pm
Managed by
Frd
Lanes
1
Parking
5 spaces
Amenities
Restroom
Contact
(989) 785-4251
Michigan DNR1 data sourceUpdated Mar 2026

Nearby Ramps

Devils Lake Boat Launch
Devils Lake
3.5 mi
Boat Ramp in Alpena County
Alpena, Michigan
4.9 mi
Lake Winyah East Boat Launch
Lake Winyah
6.6 mi
Four Mile Boat Launch
Lake Winyah
6.5 mi
Boat Ramp in Alpena
Alpena, Michigan
5.7 mi
More nearby ramps

Thunder Bay River is a public boat ramp on Lower South Branch Thu in Alpena County, Michigan (49707). Managed by Frd. GPS coordinates: 45.0120°N, 83.5573°W.