Brazos River Authority shows three public boat ramps at Possum Kingdom Lake remain open, while five are closed. South D&D, open. North D&D, open. Scenic Cove, closed. Sandy Beach, closed. Bug Beach, closed. West Side, closed. Public Boat Ramp, closed. Temporary ramp. A temporary ramp is located adjacent to the public boat ramp on FM 2951. Access is by a dirt road just east of the public ramp. Texas Parks and Wildlife Department reported one ramp is open at Possum Kingdom State Park. In addition, ramps at Crystal Cove, Bass Hollow, Fox Hollow and Possum Hollow are open on the West Side, Lake Side RV Retreat's ramp is open on the East Side. Call ahead to be sure.