Treble Cone is a commercial skifield near Wanaka, New Zealand Treble Cone boasts the longest vertical rise in the Southern Lakes and spectacular views over Lake Wanaka and Mount Aspiring. Treble Cone has a strong loyal Kiwi, and now Australian following, with visitors coming back year after year for the stunning views and huge terrain. Further web developments involve three new functions; an interactive trail map, an MVP player and an online travel planner.