83 East 120th AveThornton, CO 80233 Phone: +1 303-920-8000Fax: +1 303-920-8100Toll Free: +800-222-TREE Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 137 - Hoteliers! Is your information accurate? Update Here DoubleTree by Hilton Denver - Thornton Location & Neighborhood 20 minutes due north of downtown Denver on I-25 - 22 MI from Denver Intl airport. DenverHotel Location: Airport, Highway