Deer Medicine Rocks, Sacred sandstone site in Rosebud County, United States

Deer Medicine Rocks is a sandstone promontory rising about 50 feet above the west bank of Rosebud Creek near Lame Deer, Montana. Its base holds numerous rock art panels, some post-contact depictions of cowboys, horses and guns, others of uncertain age estimated between 1,000 and 4,000 years old.

Sitting Bull received a prophetic vision at this location in June 1876 during a sun dance ceremony. This vision foretold the Native American victory at the Battle of Little Bighorn that would follow later that summer.

The name translates from Siouan as "Antler Rocks." One panel shows figures with long grasshopper legs falling into a camp, which Lakota and Cheyenne interpreters read as Sitting Bull's sun dance vision of the Little Bighorn victory. The sun dance drew an encampment of probably more than 3,000 Native Americans from several tribal groups.

The rocks stand on the west bank of Rosebud Creek near Lame Deer, on private land, so a tribal member must accompany visitors. Arrange access in advance through local tribal authorities or representatives rather than arriving unannounced.

This was the first Great Sioux War site designated as a national landmark that presents a Native American perspective rather than focusing solely on battlefield accounts. This distinction marked a turning point in how the nation recognized indigenous narratives.