Big Four route detail

Big Four 1982 Central Rib route in red, 1st and 2nd cruxes and snow cave bivy sites marked. Spindrift Couloir, first climbed March 1996 is on the right side of face, location uncertain as climb completed during a light snow and poor visibility. photo take 4.1.2001 if there is this much sun on the face you don't want to be there.