Follow Route 99 through Whistler. At the last set of lights (just past the community center leading into Alpine - small store on corner, if you drive past Green lake, or the intersection to Emerald, you have gone too far), turn left and then left again at the first stop sign. Straight though another stop sign, and keep driving till you see the sign for the trail (5-10 minutes from lights). Ample parking.
odometer at the Cleveland Avenue traffic lights in Squamish. Drive north on Highway 99 towards Whistler for 53 km then turn left onto Alta Lake Road. Cross the B.C. Rail tracks and follow the west side of the valley for 7km. Just after the Whistler Cemetery, where the road crosses Twentyone Mile Creek, parking space has been provided on both sides of the road.....