HomeUSASouth DakotaCuster State ParkSylvan LakeSylvan Lake BoulderingDay Use AreaPerch BoulderJohnny's AreteV1V1boulderingFA John Andersen and Michael MadsenUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Perch Boulder1The PerchV4Bouldering2Johnny's AreteV1Bouldering3Kief CrackV1Bouldering