A large boulder on the roadside. Decent rock, some loose bits. Good shade in summer.
Drive up Upper Sumas Mtn. RD. Follow till the road turns to grave. Down the hill to the corner. The boulder is right beside the road. Park off the road. Gravel Trucks come down to a quarry lower down. Park accordingly.
Browse More Classics in Sumas Mountain Boulder
Mountain Project's determination of some of the classic, most popular, highest rated routes for Sumas Mountain Boulder:
Multiple Choice V-easy Boulder, 15 feet
TreeBeard's Revenge V1 Boulder, 15 feet
Slabi Noh Handi V1 Boulder, 15 feet
just another day V2 Boulder
Featured Route For Sumas Mountain Boulder