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.
Colorado's Rocky Mountain National Park is a study in diversity, containing 150 lakes and 450 miles of streams, montane areas, and an alpine tundra.Photograph by Justin Roth, submitted to My Shot.owhere else in the United States can a visitor see so much alpine country with such ease. A mere two-hour drive from Denver, Trail Ridge Road takes visitors into the heart of Rocky Mountain National Park, traversing a ridge above 11,000 feet for 10 miles.