Fort Dilts was a makeshift sod fort built near Rhame, North Dakota, United States, in September 1864 to fend off attacks by Hunkpapa Sioux Indians led by Sitting Bull[2] upon an encircled wagon train of would-be gold-miners and a small military escort of convalescent soldiers.

[3] The wagon train had set out from Fort Ridgely, Minnesota, under the command of Captain James L. Fisk of the U.S. Quartermaster Corps.

[4] In 1864, amidst the American Civil War, the Dakota Territory was relatively short of military protection.

On September 2, the party came under attack by Sitting Bull and a group of Hunkpapa Sioux.

[1] Remaining at the site are a sod enclosure, wagon ruts, several grave markers, and an interpretive sign.