The Grand couloir is an obvious ski line leading from close to the summit of the Remarkables, down to Lake Alta. It is a reasonably popular descent, the skiing is fall line and aesthetic. At the steepest it might be a touch over 40 degrees, but the majority is in the mid to high 30s. The bottom part of the couloir sees a fair amount of traffic as it is used to access an ice climbing area on the slabs near the base of Double Cone.

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Access is from the Remarkables Ski area, and is a short skin from the lifts. It is possible to be up the couloir and back in just a few hours. On the way up drop in to ski patrol to let them know what you are up to, and ask for beta on snow conditions, control work going on etc.