HomeUSASouth DakotaCuster State ParkSylvan LakeSylvan Lake BoulderingDay Use AreaPerch Boulder<Johnny's AreteV1V1boulderingFA John Andersen and Michael MadsenCREATED UPDATED Tick this climbDescriptionLocationProtectionRoutes in Perch Boulder1The PerchV4Bouldering2Johnny's AreteV1Bouldering3Kief CrackV1Bouldering