Glacier National Park is located in Flathead and Glacier counties, in the state of Montana, United States. The park protects a vast pristine ecosystem encompassing 41,000 km2 (16,000 square miles).
As stated in the foundation document:
The purpose of Glacier National Park, part of the world’s first international peace park, is to preserve the scenic glacially carved landscape, wildlife, natural processes, and cultural heritage at the heart of the Crown of the Continent for the benefit, enjoyment, and understanding of the public.