The Nááts'ihch'oh National Park Reserve in the in the Northwest Territories covers an area of about 4'850 square kilometres. The park is situated within the Sahtu Settlement Area and includes part of the Mackenzie Mountains natural region of Canada and the headwaters of the South Nahanni River. The additional protection of the South Nahanni River Headwaters in the Nááts'ihch'oh National Park Reserve will complement the enlarged Nahanni National Park Reserve and together they stand side by side.
Nááts'ihch'oh means. “pointed like a porcupine quill”, referring to Mount Wilson 2'275 m which looms over the Moose ponds located near the northern end of the park (62°53'14.57"N 129°42'17.76"W).
Canada 2018, Mount Nááts'ihch'oh (Mount Wilson).
The stamps were isuued in the series "Definitive - From far and wide".