HomeUSASouth DakotaCuster State ParkSylvan LakeSylvan Lake BoulderingDrop the Base BoulderDrop the Base BoulderLAT,LNG 43.84454, -103.56353CREATED UPDATED Edit MapShareDescription[Edit]Don't forget your safety goggles. This is sure to produce a reaction!1 ClimbsComing soon: New Climbs1Titration NationV1-Bouldering