Identity, community, culture. To most skiers in British Columbia, Ts’zil (Mount Currie) is a true gem. It looms high above Pemberton and is home to many stories of skiers and snowboarders pushing themselves on the classic lines of its Northwest Face. But it’s easy to forget that the history of Ts’zil goes much deeper than what’s been skied or snowboarded. “Slides on the Mountain” follows Talon (17) and Riki (15), two brothers from the mountain’s local Lil’wat Nation, as they decide to ski Ts’zil, mentored by the first and only member of the Lil’wat Nation to have ridden Ts’zil so far, Sandy Ward.