45.2115660, -83.7248605

Sunken Lake Boat Ramp

Fee not yet verified Reported open Public access
View more boat ramps near me

Sunken Lake Boat Ramp is a public launch on North Branch Thunder Bay River in Presque Isle County, Michigan , with 1 launch lane.

The nearest community is Posen, about 3.7 miles away. The closest larger city is Flint, approximately 152.0 miles away. The site lies within the Sunken Lake-North Branch Thunder Bay River watershed, as defined by the EPA.

Sourced from Michigan Department of Natural Resources . See the freshness details in the sidebar.

Boat ramps on North Branch Thunder Bay River

Sunken Lake Boat Ramp is currently the only public boat ramp we track on North Branch Thunder Bay River . If you know of another public launch nearby, let us know.

Nearby boat ramps in Presque Isle County

We currently track 25 public boat ramps in Presque Isle County. The closest ramps are listed below, along with the waterbody each one provides access to.

Frequently asked questions

We haven't confirmed the current launch fee with the managing agency yet - check the fee badge at the top of this page, which updates as soon as we do.

Yes - 10 vehicle-only spaces are recorded for this site.

This ramp's access type isn't specifically flagged for hand-launched craft, but a trailer ramp can generally be used to launch a kayak or canoe by hand as well.

Sunken Lake Boat Ramp provides access to North Branch Thunder Bay River.

This listing is sourced from Michigan Department of Natural Resources records - see the official page for the managing agency's own information.

This listing was last checked against the source on September 7, 2026.

Quick facts

County
Presque Isle County, Michigan
Nearby places
Posen (3.7 mi)
Hillman (13.6 mi)
Rogers City (15.2 mi)
Coordinates
45.2115660, -83.7248605 Gaia
Waterbody
North Branch Thunder Bay River
Access type
Public
Hours
Open at all times
Launch lanes
1
Parking
10 vehicle-only
Piers
1
Restroom
Vault Toilet, Other Toilet
Contact
+1 989-379-3055

Amenities

Fish cleaning station Wheelchair accessible

Current weather

55°F Clear

Wind S 3 mph

Full NWS forecast · via National Weather Service
Last updated Oct 12, 2026 at 6:50 AM

Official ramp page
Google Maps Apple Maps
Open in Gaia GPS Report incorrect info

Data freshness

How current this listing is, and how it's been maintained.

Last checked against source
September 7, 2026
Listed on Boat Ramp US since
August 29, 2026