HomeUSACaliforniaSan Diego CountyNorth San Diego CountyOld CastleSlabs, TheUpper Terrace of Lower SlabSplitter Crack 15.8Splitter Crack 3 (aka The Lightening Bolt Crack)5.10a/b5.8+tradFA unknownUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Upper Terrace of Lower Slab1Splitter Crack 15.8Trad2Splitter Crack 25.8+Trad 3Splitter Crack 3 (aka The Lightening Bolt Crack)5.10a/bTrad