Vermillion River (South Dakota)
Template:Use American English Template:Infobox river
The Vermillion River is a tributary of the Missouri River, 96 miles (154 km) long,<ref name=NHD>U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Template:Webarchive, accessed March 30, 2011</ref> in eastern South Dakota in the United States. The origin of the river name is {{#invoke:Lang|lang}}, Lakota for "place where vermilion is obtained".<ref>Template:Cite book</ref>
It is formed by the confluence of the East Fork Vermillion River and West Fork Vermillion River. The East Fork, approximately Template:Convert long,<ref name=NHD/> rises in Lake Whitewood in Kingsbury County on the Coteau des Prairies. The West Fork, approximately Template:Convert long,<ref name=NHD/> rises in Miner County. Both forks flow south, roughly parallel, joining east of Parker. The combined river flows south and joins the Missouri east of the James River Highlands<ref name=hogan>Template:Cite book</ref> and Template:Convert south of Vermillion. Its tributaries include White Stone Creek and Baptist Creek. The Vermillion River drains about Template:Convert of the southwestern edge of the Coteau des Prairies. Approximately once per 3.5 years, the Vermillion runs dry.<ref name = hogan />
The Vermillion is a north-south river situated between the Big Sioux River and James River.<ref name = hogan/>
See also
- List of rivers of South Dakota
- List of tributaries of the Missouri River
- James River
- Big Sioux River
- Siouxland