Doyle Arroyo Reservoir is a reservoir located in Huerfano County, Colorado. It appears on the North Rattlesnake Butte USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 5,910.28 feet (1,801.45 m) above sea level. The nearest populated place is Cedar Crest, approximately 6.4 miles to the E.