Gaines Ferry was a ferry on the Sabine River, between what is now Sabine Parish, Louisiana and Sabine County, Texas, at the eastern terminus of Texas State Highway 21, and the western terminus of LA 6. Much of the early history of New Spain, France, Mexico, the Republic of Texas, the United States, including the American Civil War, and the U.S. states of Texas and Louisiana, involve some aspect of Gaines Ferry. It was a major highway to the west and cattle trail east, a port of entry for the Republic of Texas, and a transportation road for military supplies and soldiers during the American Civil War that included transporting cotton to Mexico. Gaines Ferry was the northern entry for many colonists heading to Texas, and it was named after James Gaines who purchased it in 1819. The ferry saw