Snowmass: 3,132 acres; easiest - 6%, more difficult - 50%, most difficult - 12%, expert - 32%

Aspen Mountain: 675 acres; easiest - 0%, more difficult - 48%, most difficult - 26%, expert - 26%

Aspen Highlands: 1028 acres; easiest - 18%, more difficult - 30%, most difficult - 16%, expert - 36%

Buttermilk: 470 acres; easiest - 35%, more difficult - 39%, most difficult - 26%, expert - 0%