HomeUSASouth DakotaCuster State ParkSylvan LakeOutletsTinkerTinkerLAT,LNG 43.84862, -103.56742CREATED UPDATED Edit MapShareDescription[Edit]Less traveled summit that flanks Inner Outlet to the N. Summit route is a 5.4 done by the Conns 8/6/67.1 ClimbsComing soon: New Climbs1Hail The Groom5.12-Trad