HomeUSAMarylandGreat Falls - Maryland SideRocky Islands, TheCleft IslandCleft IslandLAT,LNG 38.99409, -77.24701CREATED UPDATED Edit MapShareDescription[Edit]Cleft Island, the first rocky island west of the Bulges, is of little interest to climbers. One climb there, however, should be mentioned, if only because of its popularity during the 40's and 50's.0 ClimbsComing soon: New Climbs