Walk the free Franz Josef Glacier valley walk to the glacier viewpoint

Kayak on Lake Mapourika with mirror reflections of the mountains (half-day from $95 NZD)

Scenic helicopter flight over both glaciers and the Southern Alps (from $250 NZD)

See glow worms on the Terrace Walk at dusk (free, Franz Josef)

Take a jade/pounamu carving workshop ($85 NZD)