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.
Washington is 39 miles (63 km) northwest of Springfield and 123 miles (198 km) west of Boston. Washington lies within the Berkshire Hills, and its geography is dominated by October Mountain in the western part of town.