Lost Trail Powder Mountain (406/821-3211, www.losttrail.com [1], Thurs.–Sun. Dec.–Apr., $31 adult, $21 child, $5 one ride) straddles the Idaho-Montana border on Highway 93. Although it’s a relatively small ski area with lots of intermediate runs, a few double chairlifts, and a vertical drop of only 1,200 feet, there’s usually good powder here.
Links:
[1] http://www.losttrail.com