HomeUSACaliforniaInland EmpireRiverside AreaMount RubidouxHalf Moon AreaHarrison BoulderThumbelina5.10aDescent ClimbV-easy5.10b PGtrboulderingFA unknownCREATED UPDATED Tick this climbDescriptionProtectionRoutes in Harrison Boulder1Problem AV-easyBouldering2The MugV5Bouldering3The HandleV0Bouldering4Problem BV0Bouldering5Crank Like a CancerV1Bouldering6Thumbelina5.10aTr · Bouldering7Cherry Dip Scoop5.10bTr · Bouldering 8Descent ClimbV-easyBouldering