Sitting Bull Falls in springs further down the canyon or joins the Pecos Valley underground water supply. The area around Sitting Bull Falls is the remnant of a reef system known as the Capitan Great Barrier Reef dating from the Permian period. Approximately 250 million years ago, the region was located near the edge of an inland sea. The origin of the name Sitting Bull Falls remains uncertain. One version holds that the falls were named after a Sioux medicine man. The Apache name for the area was gostahanagunti which means "hidden gulch". A number of hiking trails allow visitors access to the
Sitting Bull response to poor treatment by the government and in an effort to drive the whites away. Despite being embroiled in the American Civil War, the United States Army retaliated in 1863 and 1864, even against bands which had not been involved in the hostilities. In 1864, two brigades of about 2200 soldiers under Brigadier General Alfred Sully attacked a village. The defenders were led by Sitting Bull, Gall and Inkpaduta. The Lakota and Dakota were driven out, but skirmishing continued into August. In September, Sitting Bull and about one hundred Hunkpapa Lakota encountered a small party near what is now