I started at the top of St. Georges Rd (Just off Lonsdale at Braemar). At the top of the street you take a trail up the hill, turn right on the powerline trail and then left onto St. Georges trail. This takes you up to the Old Grouse Mountain Highway. The highway takes you right into the ski resort and you'll definitely encounter many skiers and boarders. You can hike up the run "Hades" or "Tyee Chute," which are very difficult and moderate respectively. These both link up the Grouse "SSG" snowshoe trails, which take you to Dam mountain.
Not too much elevation gain, but the Old Grouse Road is veeerryy long and flat.