HomeThings to DoTours & SightseeingAstronomy & Stargazing Astronomy & Stargazing Search Listings Location All Neighborhoods Outside Sedona Verde Valley West Sedona & Loop Rd within City Limits Keyword Choose Amenities Safe.Clean.Ready Handicap-Accessible Search Lowell Observatory 1400 W Mars Hill Rd Flagstaff, AZ 86001 Phone: (928) 774-3358