This is a list of rivers in the state of South Dakota in the United States.
North Spearfish is a census-designated place (CDP) in Lawrence County, South Dakota, United States. The population was 2,366 at the 2020 census.
The Grand River is a tributary of the Missouri River in South Dakota in the United States. The length of the combined branch is 110 mi (177 km). With its longest fork, its length is approximately 200 mi (320 km).
The Moreau River is a tributary of the Missouri River, approximately 200 miles (320 km) long, in South Dakota in the United States. Moreau River has the name of a pioneer trader.
The Cheyenne River, also written Chyone, referring to the Cheyenne people who once lived there, is a tributary of the Missouri River in the U.S. states of Wyoming and South Dakota. It is approximately 295 miles (475 km) long and drains an area of 24,240 square miles (62,800 km2). About 60% of the drainage basin is in South Dakota and almost all of the remainder is in Wyoming.
The Keya Paha River is a river flowing 127 miles (204 km) through the U.S. states of South Dakota and Nebraska.
The Vermillion River is a tributary of the Missouri River, 96 miles (154 km) long, in eastern South Dakota in the United States. The origin of the river name is Waséoyuze, Lakota for "place where vermilion is obtained".
The Great Sioux Reservation is an Indian reservation created by the United States through treaty with the Sioux, principally the Lakota, who dominated the territory before its establishment. In the Fort Laramie Treaty of 1868, the reservation included lands west of the Missouri River in South Dakota and Nebraska, including all of present-day western South Dakota. The treaty also provided rights to roam and hunt in contiguous areas of North Dakota, Montana Wyoming, and northwest Colorado.
The Missouri National Recreational River is a National Recreational River located on the border between Nebraska and South Dakota. The designation was first applied in 1978 to a 59-mile section of the Missouri River between Gavins Point Dam and Ponca State Park. In 1991, an additional 39-mile section between Fort Randall Dam and Niobrara, Nebraska, was added to the designation. These two stretches of the Missouri River are the only parts of the river between Montana and the mouth of the Missouri that remain undammed or unchannelized. The last 20 miles of the Niobrara River and 6 miles of Verdigre Creek were also added in 1991.
Thunder Butte is a prominent butte landmark located in the northwest corner of Ziebach County, South Dakota, in the United States. Thunder Butte is a large, isolated hill that can be seen for many miles in every direction, and has served throughout history as an important orientation point for area residents or a navigational aide for travelers crossing the surrounding plains. The butte gives its name to a small community at its base, and to a small creek that runs into the Moreau River.
Standard Bridge Company was an American bridge company that was "one of the most important bridge building firms in Nebraska history."
Ponca Creek is a stream that flows from southern South Dakota and into northern Nebraska. It is 139 miles (224 km) long. Its source is about 4 miles (6.4 km) west of U.S. 183, near Colome. It flows into the Missouri River 6 miles (9.7 km) northwest of Niobrara. Ponca Creek starts out going east, then takes a southeast direction, which continues until around Bristow, Nebraska, where it turns east again until it flows into the Missouri River. The entire Ponca Creek watershed drains 520,000 acres (2,100 km2). The watershed stretches from central Tripp County to central Gregory County.