"Climb every mountain... Ford ever stream" Grassi Lakes Trail: Canmore, Alberta Size/Distance: 3.8km maybe 5 depending on how much you circle the lakes ;) . 1-2 hours . 250m Elevation gain. Dog Friendly: On leash only Terrain: There is an easy way and a hard way. Easy way = straight gravel road. The hard way scenic climbing trail with wet areas and stairs. Unique Features: Views of Canmore, waterfalls, two Clear pools of bright blue and green waters, native rock paintings.