As skiers flock south for the summer, GoPro athlete Chris Davenport and Sierra Quitiquit head to Chile’s Portillo resort, to tackle the “Super C” couloir. The 5,600-foot chute is a behemoth, only reached via foot power and one of Davenport’s favorite descents. So toss the skis on your pack and lather on the sunscreen, because it’s one hell of a climb.