The northern part of the range, north of Mount Rainier, is known as the North Cascades in the United States but is formally named the Cascade Mountains north of the CanadaâUnited States border, reaching to the northern extremity of the Cascades at Lytton Mountain.
The perimeter of Washington Park in Denver, CO is about 2.60 miles.
More Information: Mount Washington State Park, a 59-acre parcel perched on the summit of the Northeast's highest peak, is surrounded by the extensive 750,000-acre White Mountain National Forest.