Peter Cave Boat Ramp is a paved, single-lane ramp on Rough River Lake's southeastern portion that accommodates trailerable recreational boats with parking for 26-50 vehicles.

The ramp operates seasonally 24 hours and charges a $4 launch fee; it provides access to scenic sections of the lake including Peter Cave Creek and the Rough River, with nearby amenities including a marina, picnic area, and lodging facilities.