A number of Colorado cities are located near the Front Range of the Rockies, at elevations of around 5,000 feet. [[Denver]], its capital and largest city, is sometimes called "The Mile-High City, because the official elevation of Denver City Hall is exactly 5,280 feet. | A number of Colorado cities are located near the Front Range of the Rockies, at elevations of around 5,000 feet. [[Denver]], its capital and largest city, is sometimes called "The Mile-High City, because the official elevation of Denver City Hall is exactly 5,280 feet. |