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St. Croix River (Wisconsin–Minnesota)

St. Croix River
River
St. Croix River above Stillwater Minnesota.JPG
The St. Croix River, looking downstream toward Stillwater, Minnesota
Country United States
States Wisconsin, Minnesota
Tributaries
 - left Sunrise River, Snake River, Kettle River
 - right Apple River, Yellow River, Namekagon River, Eau Claire River (St. Croix River), Kinnickinnic River
Cities St. Croix Falls, WI, Taylors Falls, MN, Osceola, WI, Stillwater, MN, Hudson, WI, Prescott, WI, Somerset, WI, River Falls, WI
Source Upper St. Croix Lake
 - location near Solon Springs, Wisconsin, Douglas County, WI
 - coordinates 46°23′19″N 91°45′34″W / 46.38861°N 91.75944°W / 46.38861; -91.75944
Mouth Mississippi River
 - location Prescott, WI, Pierce County, Washington, Dakota, MN, WI
 - coordinates 44°44′45″N 92°48′10″W / 44.74583°N 92.80278°W / 44.74583; -92.80278Coordinates: 44°44′45″N 92°48′10″W / 44.74583°N 92.80278°W / 44.74583; -92.80278
Length 169 mi (272 km)
Stcroixmnwirivermap.png
Map of the St. Croix watershed.

The St. Croix River (French: Holy Cross) is a tributary of the Mississippi River, approximately 169 miles (272 km) long, in the U.S. states of Wisconsin and Minnesota. The lower 125 miles (201 km) of the river form the border between Wisconsin and Minnesota. The river is a National Scenic Riverway under the protection of the National Park Service. A hydroelectric plant at St. Croix Falls supplies power to the Minneapolis–St. Paul metropolitan area.

The St. Croix River rises in the northwestern corner of Wisconsin, out of Upper St. Croix Lake in Douglas County, near Solon Springs, approximately 20 miles (32 km) south of Lake Superior. It flows south to Gordon, then southwest. It is joined by the Namekagon River in northern Burnett County, where it becomes significantly wider. A few miles downstream the St. Croix meets the boundary between Minnesota and Wisconsin, which it demarcates for another 130 miles (209 km) until its confluence with the Mississippi River.

Other major tributaries include the Kettle River, Snake River, and Sunrise River joining from the west, and the Apple River, Willow River, and Kinnickinnic River joining from the east. Just below Stillwater, Minnesota the river widens into Lake St. Croix, and eventually joins the Mississippi River at Prescott, Wisconsin, approximately 20 miles (32 km) southeast of St. Paul, Minnesota.


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