Thielsen from the Highway Thielsen across Diamond Lake Thielsen through the Trees Climbing towards the SW Face Bailey across Diamond Lake View of Crater Lake Thielsen Summit Ridge Thielsen Summit Spire Starting the Descent Snowboarding Down the Face Skiing Below Lava Spires Skiing a Steep Chute Southwest Face of Thielsen Descending through the Trees Map of Thielsen Ski Route

We began our descent around 3 pm. George traversed south a hundred yards to descend the next finger of snow. Here he begins his snowboard descent, with the moon hovering overhead above the south ridge.