It's the province of the day skier, loosely defined, since lights all over the mountain permit night runs.

FORBES: Magazine Article

The mountain's rawness and the risk of avalanches have led the federal Bureau of Land Management to permit only 80 guided skiers per day on Silverton's 1, 600 acres. (Vail, which is 5, 300 acres, can see 21, 000 skiers on a busy day.) The slots tend to sell out several months ahead.

FORBES: Magazine Article