National Guard Marksmanship Training Center Camp Guernsey is a military located in Platte County, Wyoming. It appears on the Guernsey USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 4,347.79 feet (1,325.21 m) above sea level. The nearest populated place is Guernsey, approximately 0.7 miles to the NNW.