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. There was a total of $2 million of farms, ranches, and rural real estate for sale in North Dakota's Cavalier County recently on Land.com. The total acreage of all Cavalier County farms and ranches for sale was nearly 1,000 acres. Cavalier County ranks 30th in the state for the total acreage of land currently advertised for sale. Langdon had the most land for sale.