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.
2. Ski Roundtop. Distance from Washington, DC: 114 miles, 2 hours. The resort is an excellent choice for beginners and offers snowboarding, snow tubing and Revolution Paintball. There are 10 lifts plus a terrain park with a super pipe and half pipe.