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.
Colfax Ave is the longest continuous street in the in the world, but it is longer than the Denver Metro 26 Mile Marathon. Colfax starts in Golden, CO at Mt Vernon Canyon Rd & W Colfax Ave and ends in Strasburg, CO at E Colfax Ave & Headlight Rd.