San Miguel County, New Mexico, USA
County or equivalent
Location overview
San Miguel County lies in northeastern New Mexico, where the southern Rocky Mountains meet the Great Plains. Las Vegas is the county seat. Its landscape extends from the Sangre de Cristo Mountains in the west to broad plains in the east, with the Las Vegas Plateau and Glorieta Mesa forming distinct areas between them. The Pecos River and its tributaries rise in the mountains, while the Canadian River feeds Conchas Reservoir farther east. The county was established in 1852.