Rocky Mountain Arsenal National Wildlife Refuge 
5650 Havana St Bldg 121
Commerce City, CO 80022
303-289-0232
http://www.fws.gov/refuge/rocky_mountain_arsenal/
Wildlife Refuge: Birding, Fish, Hike, Picnic, Walk
Located just eight miles from downtown Denver, the refuge is the largest contiguous open space in the Denver metropolitan area. The site is currently undergoing a major environmental restoration program and will become one of the largest urban national wildlife refuges in the United States.