HomeCanadaBritish ColumbiaFraser ValleySumas Mountain BoulderYou Better Check Yourself Before You Arete Yourselfv3TreeBeard's Revengev1v2boulderingFA steve wiensUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Sumas Mountain Boulder1Sit Kidsv4Bouldering2You Better Check Yourself Before You Arete Yourselfv3Bouldering3just another dayv2Bouldering 4TreeBeard's Revengev1Bouldering5Multiple ChoiceBouldering6Slabi Noh Handiv1Bouldering