Which ski resorts are currently open in Manawatu-Wanganui? This list of Manawatu-Wanganui ski mountains that are open today is updated daily. In addition to viewing the open ski resorts across Manawatu-Wanganui, 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 Manawatu-Wanganui ski resorts.