DeSoto is bounded on the North by Caddo Parish, on the east by Red River and Natchitoches Parishes, on the South by Sabine Parish and on the west, the Sabine River and Toledo Bend Reservior. The Sabine River seperates DeSoto Parish in Louisiana from Texas, up to the "dry line" beginning just a few miles north of Logansport,here the last known International Boundary Marker between the U.S. and the Republic of Texas can be viewed. Sharing a border with Texas has influenced the history of DeSoto Parish and left a rich legacy for visitors to explore. Communities within DeSoto Parish have many Civil War sites waiting to be explored, some with annual re-enactments. Keachie's three 19th century historic churches, Greek Revival homes and other buildings are listed on the National Register of Historic places. The communities of DeSoto Parish are rich in history. Communities include Carmel, Frierson, Gloster, Kingston, Pelican, City of Mansfield, Town of Keachie, Town of Stonewall, Town of Logansport, Village of Grand Cane, Village of Longstreet, and the Village of Stanley.