Diamond Canyon Reservoir   Be the first to submit input for Diamond Canyon Reservoir. If you have info on Diamond Canyon Reservoir, Stillwater Range, Churchill County, Nevada please submit it here to improve this web site.          These outdoors activities are available near Diamond Canyon Reservoir.   Hotels Near Diamond Canyon Reservoir: Econo Lodge Fallon, Fallon, 25 miles away Super 8 Fallon, Fallon, 25 miles away BEST WESTERN Fallon Inn & Suites, Fallon, 26 miles away Americas Best Value Inn and Suites, Fallon, 26 miles away Holiday Inn Express FALLON, Fallon, 26 miles away