Sections of several of the longest rivers define sections of the Minnesota border.[3] The Red River of the North forms the border with North Dakota to the west. The Bois de Sioux River forms the border with South Dakota to the west. The Mississippi River, St. Croix River, and the St. Louis River form the border with Wisconsin to the east. The Rainy River and Pigeon River form the border with Ontario, Canada to the north.
Minnesota contains three major drainage basins/watersheds with waters from Minnesota rivers flowing south, north, or east.[1] These major drainage basins meet in a triple divide point located at the Hill of Three Waters, just north of Hibbing, Minnesota (47°26.863′N92°56.8′W).[4] The Mississippi River drainage basin with water flowing south (1,151,000sqmi (2,980,000km2)) is made up of the Upper Mississippi River watershed (above St. Paul)[note 2], Lower Mississippi River (Below St. Paul), Minnesota River drainage basin (17,000sqmi (44,000km2)), St. Croix River drainage basin (7,700sqmi (20,000km2)), Des Moines River drainage basin (14,802sqmi (38,340km2)), and Missouri River drainage basin (529,350sqmi (1,371,000km2)). Water flows southwards, eventually reaching the Gulf of Mexico. Water flows to the north in the Hudson Bay/Artic drainage basin (3,861,400sqmi (10,001,000km2)), which includes the Red River of the North drainage basin (111,004sqmi (287,500km2)) and Lake of the Woods drainage basin (13,805sqmi (35,750km2))—of which 7,285sqmi (18,870km2) is in Minnesota. Minnesota water flows northward to the Hudson Bay. The Great Lakes Basin to the east includes the Lake Superior drainage basin in Minnesota and Wisconsin (49,300sqmi (128,000km2)).[6] Minnesota water flows eastward through the Great Lakes to the Atlantic Ocean.
Table of longest streams
A sortable table below lists the 114 streams flowing in Minnesota that have a total length of greater than or equal to 30 miles. The stream's tributary and watershed are given. The source or mouth of some streams are in other U.S. states or Canadian provinces. Other than border rivers, the only rivers that originate in other states are the Little Minnesota River (South Dakota), St. Croix River (Wisconsin), and Upper Tamarack River (Wisconsin). The 21 streams that are not entirely within the state are indicated by a after the order number. The coordinates and location county of the mouth and source of the stream are indicated, as well as the United States Geological Survey (USGS) Geographic Names Information System ID and other references and notes.[note 3] Lengths and elevations are derived from the National Elevation Dataset or reference to it in the USGS GNIS Database.[7] A link to an Open Street Map template is listed at the top of this article that will generate a map showing the source and mouth coordinates of all of these streams. For consistency and accuracy, the sources for this information is primarily data from the USGS GeoNames and National Elevation database, supplemented by other sources.
Streams with length of 30 miles or longer that flow in Minnesota[8][9][10][11][12]
In North America, the term watershed is commonly used to mean a drainage basin, though in other English-speaking countries, it is used only in its original sense, that of a drainage divide.
The Mississippi River drainage basin from Lake Itasca to Hastings, Minnesota consist of 20,105sqmi (52,070km2)[5]
The state is given for non-Minnesota counties
Portions of the Brule (31.5 mi), Cloquet (29.9), Little Cannon (12.5 mi), Little Isabella (33.17), Nemadji (13.44 mi), Temperance (24.56 mi), and Vermillion (22.8) rivers, are Minnesota DNR designated trout streams.[14]
Length is an average of the 2013 lengths
The USGS National dataset lists the elevation of the Temperance River as 597ft (182m)
The St. Louis River forms the border between St. Louis County, Minnesota and Douglas County, Wisconsin before it discharges into Lake Superior.
The USGS National dataset lists the elevation of the St. Louis River as 597ft (182m)
The USGS National dataset lists the elevation Nemadji River as 597ft (182m)
The Mississippi River at its source has an elevation of 1,475ft (450m)
The Mississippi River flows for 680mi (1,090km) within Minnesota.[1]
The elevation of the Minnesota River is 964ft (294m) at its source
129.2 miles of the St. Croix River flow either on the Minnesota border or within Minnesota.[18]
The Red River of the North enters the United States in Pembina County, North Dakota.[19]
The source elevation of the Red River of the North is 948ft (289m)
According to the Minnesota Department of Natural Resources, 394mi (634km) of the Red River of the North are in the United States. This amounts to about 72percent of the main-stem length.[19][18]
The Rock River flows for 88.9mi (143.1km) within Minnesota.[18]
The Des Moines River flows for 68mi (109km) within Minnesota.[21]
The Cedar River flows for a little over 25mi (40km) within Minnesota.[22]
The Upper Iowa River flows for 50.4mi (81.1km) in Minnesota.[18]
Wapsipinicon River has a source elevation of 1,348ft (411m)
The Clearwater River is a MN DNR designated trout stream.[27][13]
Waters, Thomas F. (1977). Streams and Rivers of Minnesota. Minneapolis: University Of Minnesota Press. ISBN0816609608.
The mouth coordinates, mouth elevation, and source coordinates are from the Geographic Names Information System (United States Geological Survey) listing for each river except for the source coordinates of the rivers originated in Canada, which are from the Canadian Geographical Names Data Base.
When locations are not otherwise available, locations are derived from searching Google Maps using Geographic Names Information System (GNIS) source or mouth coordinates.
"Great Lakes Water Levels"(PDF). United States Army Corps of Engineers. Archived from the original(PDF) on April 18, 2013. Retrieved June 27, 2013. The link also has daily elevations for the current month.
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