Tree wells are dangerous hazards at ski resorts in Idaho Brundage Mountain Resort has received 70 inches of snow so far in February and they are expected to get more snow before this weekend. and last updated 2021-02-24 17:31:16-05 BOISE, Idaho â Brundage Mountain Resort has received 70 inches of snow so far in February and they are expected to get more snow before this weekend. All the powder creates a magical time for skiers and snowboarders, but storms also create hazards people need to be aware of. One of the most dangerous hazards in deep powder are tree wells, this phenomenon occurs under evergreen trees.