HomeUSACaliforniaSan Bernardino MountainsHighway 38 CragsThurman Flat (Sport Boulder)Sport Boulder (NW Face)Undertow5.12bBig Red Spider5.11c5.12asportFA Darrel Hensel & Kevin Powell, 1985UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Sport Boulder (NW Face)1Green Spot5.12dSport2Waterfront5.12cSport3Undertow5.12bSport4Spider Baby5.12aSport 5Big Red Spider5.11cSport6Drowning Pool5.12bSport7Liquidity5.12bSport8Diagonal Direct5.12dSport