Sunken Lake Boat Ramp

Sunken Lake Boat Ramp is a public access point in Presque Isle County, Michigan, providing access to North Branch Thunder Bay River. It sits within the Sunken Lake-North Branch Thunder Bay River watershed.

Sourced from Michigan Department of Natural Resources . Last checked against the source on July 7, 2026.

Boat ramps on North Branch Thunder Bay River

Sunken Lake Boat Ramp is the only public boat ramp we have on record for North Branch Thunder Bay River. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in Presque Isle County

Presque Isle County tracks 23 public boat ramps in total, spread across several different rivers, creeks and lakes — not just North Branch Thunder Bay River. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Sunken Lake Boat Ramp or leads somewhere completely different.

• Sunken Lake North Branch Thunder Bay River less than 0.1 mi away
• Mar-Ral Road Long Lake 11 mi away
• Lake Mary Lake Mary 11 mi away
• Fletcher Gilchrist Park Grand Lake 12 mi away
• Lake Ferdelman Lake Ferdelman 12 mi away
• Sand Bay Trading Co. Grand Lake 12 mi away