Cristo Couloir, Quandary Peak, is a couloir located on Quandary Peak that stretches from just above the Blue Lakes Dam to the summit at . It is a popular ski mountaineering descent in the spring climbing season (April through June, depending on weather and snow conditions). The ascent can be accomplished by an experienced mountaineer in 3âÂÂ5 hours and the ski descent in 1âÂÂ2 hours. Cristo Couloir is actually closer to one mile in length with elevation gain of over . The ascent from the base parking lot below the dam is about a mile and 1/2 with a total elevation gain of approximately .