This concrete boat ramp in Alton provides access to 283-acre Halfmoon Lake and accommodates small to medium-sized boats, canoes, kayaks, and paddleboards (20-foot width with 20-foot maximum boat length).

The facility features a paved parking area for up to 20 vehicles and trailers, restrooms, picnic tables, and trash receptacles, and is managed year-round by the New Hampshire Fish and Game Department, though winter closures may occur due to ice and snow.