HomeUSAVirginiaSouthwest Virginia (Appalachia)Grayson Highlands State ParkListening Rock Trail5. CentralUnderworld RoofUnderworld RoofLAT,LNG 36.62279, -81.50167CREATED UPDATED Edit MapShareDescription[Edit]This boulder is nuts. The outside lip to the roof is maybe 4ft off of the ground, but beneath this the bottom opens up to reveal and inner cave-like room with a thin roof crack.1 ClimbsComing soon: New Climbs1Underworld RoofV6Bouldering