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.
4.0439 miles = the '4 mile' loop (taking both the 72nd Street and 102nd Street cutoffs)  1.7153 miles = southern lower loop (going through the southern part of the park and taking the 72nd Street cutoff)