Which ski resorts are currently open in Ikon Pass? This list of Ikon Pass ski mountains that are open today is updated daily. In addition to viewing the open ski resorts across Ikon Pass, you can sort the list of open mountains by number of lifts open, 24 hour snow totals, base depth and user rating. Toggle over to view a list of Projected Opening Dates and Projected Closing dates for Ikon Pass ski resorts.