At only 30 minutes from downtown we are the closest zip line course to Denver. Nestled in a Rocky Mountain pine forest we operate Colorado's fastest and longest zip lines. At an elevation of over 8,000ft you will fly at up to 55mph and 200ft high on zip lines totaling over 6,000ft in length!! With Denver Zipline Tours, you'll soar through pine forests and mountain meadows. Enjoy the fresh air and magnificent views of the Rocky Mountains.