The Maxwell Land Grant, also known as the Beaubien-Miranda Land Grant, was a 1,714,765-acre (6,939.41 km2) Mexican land grant in Colfax County, New Mexico, and part of adjoining Las Animas County, Colorado. This 1841 land grant was one of the largest contiguous private landholdings in the history of the United States. The New Mexico communities of Cimarron, Dawson, Elizabethtown, Baldy Town, Maxwell, Miami, Raton, Rayado, Springer, Ute Park and Vermejo Park came to be located within the grant, as well as numerous places that are now ghost towns.

Colfax County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 12,387. Its county seat is Raton. It is south from the Colorado state line. This county was named for Schuyler Colfax (1823–1885), seventeenth Vice President of the United States under U.S. President Ulysses S. Grant.