Cimarron is an unincorporated town and U.S. Post Office in Montrose County, Colorado, United States. The Cimarron Post Office has the ZIP Code 81220.
Cimarron is a small community on the Cimarron River, just south of the Black Canyon of the Gunnison, and just outside of Curecanti National Recreation Area. The D & RG Narrow Gauge Trestle crosses the Cimarron River gorge just northeast of town, and is on the National Register of Historic Places (#76000172).
Cimarron is located at 38°26′30″N 107°33′22″W / 38.44167°N 107.55611°W (38.441758,-107.555981).
in a ranch just south of the town, 1898.