Fort Thorn or Fort Thorne, originally Cantonment Garland, was a settlement and military outpost located on the west bank of the Rio Grande, northwest of present-day Hatch, and west of Salem in Doña Ana County, New Mexico, United States. It was named for 1st Lt. Herman Thorn of the 2nd U.S. Infantry drowned in the Colorado River in 1849. He had previously been an aide to General John Garland, the new commander of the Ninth Military District, that encompassed New Mexico Territory in 1853.