Tasman Lake in Aoraki/Mount Cook National Park on New Zealand’s South Island didn’t exist until 1990. When Tasman Glacier began to melt, small glacial pools began to coalesce into a substantial body of water. As the glacier retreats an average of 590 feet a year, Tasman Lake grows ever wider and deeper. It won’t keep growing forever, though. Scientists estimate that the glacier that feeds Tasman..
