We're giving this page a facelift!Visit the previous versionto make edits.Peak Mountain 3Add photo Edit (TBD) Photo MapCopy LinkHomeUSASouth DakotaCuster State ParkSylvan LakeSylvan Lake BoulderingNortheast Gully BouldersUndertaker BoulderThe UndertakerV2+boulderingFA Ernie SteflieUPDATED BY vietnguyen DescriptionRoutes in Undertaker Boulder1The UndertakerV2+Bouldering