Home Frequently Asked Question Is The Mountain Pass Necessary For Mountain Skiing Outside The Skiable Areas? Back to Mountain Pass Is the Mountain Pass necessary for mountain skiing outside the skiable areas? No. The Mountain Pass is only required when mountain skiing within the ski resorts. Related questions If my Mountain Season Pass is lost or stolen, what should I do? Can I be penalized for not carrying the Mountain Pass? Is a Mountain Pass necessary when crossing the resort in order to access another route outside the skiable area? Does a non-resident/tourist also need a Mountain pass?