Sunken Lake
Sunken Lake is a public boat ramp in Posen, MI on North Branch Thunder Bay River. Sunken Lake is a public boat ramp on North Branch Thunder Bay River located near Posen, Michigan. Open to the public.
Ramp details
- Address: Posen, MI
- GPS coordinates: 45.21157, -83.72486
- Water body: North Branch Thunder Bay River
- Ramp type: concrete
- Launch fee: free to launch
- Amenities: Boat Launch, Public Access