Denver Intl (DEN) in Denver, CO.
Where to walk your dog:
Denver International Airport has one designated pet exercise area located outside of Jeppesen Terminal on Level 2 West, not far from Door 200. Pets can wander in a designated enclosed area for pet relief or exercise. The area is wheelchair accessible. Connecting passengers with pets who want to use the area should plan on at least 30 minutes of travel time to the terminal and back to an airline gate (factor in the time needed to go through security screening again). No area is available outside a concourse because of security.