The Department of Conservation is asking visitors to Nelson Lakes National Park this summer to help to protect its pristine alpine lakes from an alga that causes mucus-like ‘lake snow’.

A remote camera has been installed near one of the most popular huts in the Nelson Lakes National Park in a bid to improve visitor safety. The mountain camera is in place above Angelus Hut and ...

In New Zealand’s Nelson Lakes National Park, about 1,200 meters (4,000 feet) above sea level and a two-day hike from nearest civilization, lies Rotomairewhenua, or Blue Lake. (CNN/Janet Newel) ...