Denver International Airport (DEN), 23 mi northeast of downtown Denver, is the primary commercial passenger airport serving north central Colorado. Allegiant Air connects Fort Collins and Las Vegas with scheduled service to the Fort Collins/Loveland Airport. Boulder and Granby have municipal airports but no commercial service.
Denver International Airport (DEN) (8500 Peña Blvd., Denver. 800/247-2336 or 303/342-2000. www.flydenver.com).
The Denver Airport's Ground Transportation Information Center assists visitors with car rentals, door-to-door shuttles, public transportation, wheelchair services, charter buses, and limousine services. Granby approximately 110 mi (a little more than 2 hours); and Estes Park approximately 80 mi (about two hours).
Estes Park Shuttle (reservations essential) serves Estes Park and Rocky Mountain National Park from Denver, Denver International Airport, and Boulder. Home James serves Granby, Grand Lake, and the guest ranches.
Estes Park Shuttle (970/586-5151). Ground Transportation Information Center (800/247-2336 or 303/342-4059). Home James (970/726-5060 or 800/359-7536).