Best Western Inn & Suites – Castle Rock CO Location Details Douglas County Fairgrounds Indoor Arena Description Approximately 5-10 minutes from the Trial site Street Address 595 Genoa Way City Castle Rock State Colorado Zip Code 80109 Other Area Hotels Colorado, Douglas County Fairgrounds Indoor Arena Phone 303-814-8800 Rating (average) (0) Ratings There are no reviews yet. Please login to leave a review. Directions to listing From: Current location Specific Address Travel Mode: Driving Public Transit Walking Cycling