Abutting the U.S.-Canada border in northeastern North Dakota, Cavalier County offers everything you'd expect from a remote, rural county: wide-open spaces, quiet places to hunt and fish, and small welcoming communities. Langdon is the county seat. The Mt. Carmel Dam Recreational Area is a popular local spot for both summer and winter activities both on and off the water. The most common type of land for sale by combined acreage in Cavalier County is undeveloped land. Browse all residential property and land for sale in Cavalier County to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.