4 Mile
4 Mile is a public boat ramp in Janesville, WI on Rock River. 4 Mile is a public boat ramp on Rock River located near Janesville, Wisconsin. Open to the public.
Ramp details
- Address: Janesville, WI
- GPS coordinates: 42.73102, -89.05835
- Water body: Rock River
- Ramp type: concrete
- Launch fee: free to launch
- Amenities: Boat Launch, Public Access