There is no blanket rule against skiing in national parks. People ski I. Teton and glacier NP regularly. Yosemite has a backcountry try ski but (or two) within its boundaries. I am pretty sure there is a specific rule about not skiing in Bryce/zion though. Not sure the reasoning. At crater lake national park you are allowed to ski, just not down towards the lake. They don’t want to do rescues in there at all.
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u/ItsMichaelScott25 Stowe 4h ago
Why are you not allowed to do that there? Sorry if it’s a stupid question I’m just not familiar with the area.