Aoraki / Mount Cook is the highest mountain in New Zealand. Its height, as of 2014, is listed as 3,724 metres. It is situated in the Southern Alps, the mountain range that runs the length of the South Island. A popular tourist destination, it is also a favourite challenge for mountain climbers. Aoraki / Mount Cook consists of three summits: from south to north, the Low …Aoraki / Mount Cook is the highest mountain in New Zealand. Its height, as of 2014, is listed as 3,724 metres. It is situated in the Southern Alps, the mountain range that runs the length of the South Island. A popular tourist destination, it is also a favourite challenge for mountain climbers. Aoraki / Mount Cook consists of three summits: from south to north, the Low Peak, the Middle Peak and the High Peak. The summits lie slightly south and east of the main divide of the Southern Alps, with the Tasman Glacier to the east and the Hooker Glacier to the southwest. Mount Cook is ranked 10th in the world by topographic isolation.