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
Coquille Indian Tribe The Forest Stewardship Council certified the Coquille Forest in September 2011. The tribal government is based in North Bend. In 2008 the tribe legalized same-sex marriage. Although the Oregon voters approved an amendment to the Oregon Constitution in 2004 to prohibit such marriages, the Coquille are not bound by the Oregon Constitution, because they are a federally recognized sovereign nation. The Coquille Indian Tribe Library contains an extensive amount of information on the Coquille Indian Tribe and other Tribes of southwest Oregon including the Confederated Tribes of Coos, Lower Umpqua, and Siuslaw Indians. The Coquille Tribe owns several businesses, including