Waterway Orientation Length (km) River flow at Discharge Mouth coordinates Mouth location Source coordinates Source location Apple River Left 89 42°10′35″N 90°14′36″W / 42.1764°N 90.2433°W / 42.1764; -90.2433 Savanna 42°33′51″N 90°09′47″W / 42.564166666°N 90.163055555°W / 42.564166666; -90.163055555 Shullsburg Arkansas River Right 2,364 1128 m3 /s 33°46′30″N 91°06′10″W / 33.775°N 91.1028°W / 33.775; -91.1028 Napoleon, AR 39°15′30″N 106°20′38″W / 39.2583°N 106.3439°W / 39.2583; -106.3439 Leadville, CO Bassett Creek Right 21 44°59′27″N 93°16′21″W / 44.9908°N 93.27245°W / 44.9908; -93.27245 Minneapolis 44°59′41″N 93°24′46″W / 44.994686°N 93.41273°W / 44.994686; -93.41273 Medicine Lake Bee Branch Creek Right 8 42°30′36″N 90°39′10″W / 42.51°N 90.65273°W / 42.51; -90.65273 Dubuque 42°30′N 90°41′W / 42.5°N 90.69°W / 42.5; -90.69 Dubuque Big Black River Left 531 108 m3 /s 32°03′11″N 91°03′27″W / 32.053°N 91.0575°W / 32.053; -91.0575 Vicksburg, MS 33°41′40″N 89°07′59″W / 33.694444444°N 89.133055555°W / 33.694444444; -89.133055555 Webster County, MS Big Muddy River Left 251 61 m3 /s 37°34′25″N 89°31′02″W / 37.573557°N 89.517143°W / 37.573557; -89.517143 Grand Tower,IL 38°26′12″N 89°03′05″W / 38.436773°N 89.051292°W / 38.436773; -89.051292 Centralia, IL Black River Left 310 85 m3 /s 43°49′12″N 91°15′26″W / 43.82°N 91.257222222°W / 43.82; -91.257222222 La Crosse, WI 44°35′26″N 90°17′49″W / 44.590555555°N 90.296944444°W / 44.590555555; -90.296944444 Taylor County, WI Buffalo River Left 110 44°21′02″N 91°55′35″W / 44.3505214°N 91.9262736°W / 44.3505214; -91.9262736 Alma 44°34′39″N 91°13′57″W / 44.577380555°N 91.232366666°W / 44.577380555; -91.232366666 Osseo Cannon River Right 180 44°35′09″N 92°33′25″W / 44.5858°N 92.5569°W / 44.5858; -92.5569 Red Wing 44°22′08″N 93°26′32″W / 44.368818°N 93.4422624°W / 44.368818; -93.4422624 Shieldsville Catfish Creek Right 34 42°28′05″N 90°38′41″W / 42.4681°N 90.6448°W / 42.4681; -90.6448 Dubuque 42°26′27″N 90°46′53″W / 42.440808333°N 90.781308333°W / 42.440808333; -90.781308333 Peosta Chippewa River Left 294 127 m3 /s 44°24′33″N 92°05′03″W / 44.4091337°N 92.0840583°W / 44.4091337; -92.0840583 Buffalo County, WI 45°53′25″N 91°04′41″W / 45.890286°N 91.078028°W / 45.890286; -91.078028 Bayfield County, WI Clearwater River Right 70 45°25′22″N 94°02′57″W / 45.4227°N 94.0491°W / 45.4227; -94.0491 Clearwater 45°21′23″N 94°25′54″W / 45.356319444°N 94.431544444°W / 45.356319444; -94.431544444 Stearns County Crow River Right 39.9 45°14′45″N 93°31′21″W / 45.2458°N 93.5225°W / 45.2458; -93.5225 Dayton 45°04′53″N 93°45′45″W / 45.081352°N 93.762466°W / 45.081352; -93.762466 Rockford Crow Wing River Right 182 45 m3 /s 46°16′16″N 94°20′23″W / 46.2711°N 94.3397°W / 46.2711; -94.3397 Crow Wing, MN 47°00′07″N 94°44′29″W / 47.001944444°N 94.741388888°W / 47.001944444; -94.741388888 Akeley, MN Deer River Left 30 47°18′53″N 93°46′46″W / 47.3147°N 93.7794°W / 47.3147; -93.7794 Deer River 47°23′20″N 93°42′28″W / 47.388835°N 93.7077116°W / 47.388835; -93.7077116 Itasca County Des Moines River Right 845 374 m3 /s 40°22′52″N 91°25′21″W / 40.381194444°N 91.422388888°W / 40.381194444; -91.422388888 Keokuk, IA 44°05′02″N 95°41′17″W / 44.0838509°N 95.6880668°W / 44.0838509; -95.6880668 Lake Shetek, MN Edwards River Left 119 41°08′54″N 90°58′54″W / 41.1483669°N 90.981533°W / 41.1483669; -90.981533 New Boston 41°15′15″N 89°58′46″W / 41.254166666°N 89.979444444°W / 41.254166666; -89.979444444 Kewanee Elk River Left 135 45°17′53″N 93°34′21″W / 45.298°N 93.5725°W / 45.298; -93.5725 Elk River 45°49′07″N 93°55′39″W / 45.818536111°N 93.927408333°W / 45.818536111; -93.927408333 Benton County Fox River Right 172 40°17′05″N 91°29′39″W / 40.28472222°N 91.49416667°W / 40.28472222; -91.49416667 Alexandria 40°45′13″N 92°43′26″W / 40.753611111°N 92.723888888°W / 40.753611111; -92.723888888 Bloomfield Galena River Left 84 42°22′27″N 90°26′46″W / 42.37416667°N 90.44611111°W / 42.37416667; -90.44611111 Galena 42°45′17″N 90°23′04″W / 42.754722222°N 90.384444444°W / 42.754722222; -90.384444444 Belmont Grant River Left 71 42°39′48″N 90°44′48″W / 42.6633292°N 90.7467933°W / 42.6633292; -90.7467933 Potosi 42°53′09″N 90°43′43″W / 42.885711111°N 90.728725°W / 42.885711111; -90.728725 Lancaster Hatchie River Left 383 370 m3 /s 35°33′05″N 89°53′38″W / 35.551388888°N 89.893888888°W / 35.551388888; -89.893888888 Randolph, TN 34°34′29″N 88°49′48″W / 34.574811111°N 88.830086111°W / 34.574811111; -88.830086111 Union County, MS Henderson Creek Left 104 40°52′31″N 91°01′51″W / 40.8753161°N 91.0306991°W / 40.8753161; -91.0306991 Burlington 41°01′57″N 90°18′11″W / 41.0325°N 90.303055555°W / 41.0325; -90.303055555 Henderson Homochitto River Left 145 31°18′53″N 91°30′11″W / 31.314769444°N 91.502952777°W / 31.314769444; -91.502952777 Natchez 31°42′15″N 90°37′28″W / 31.704248612°N 90.624565224°W / 31.704248612; -90.624565224 Hazlehurst Illinois River Left 432 659 m3 /s 38°58′13″N 90°27′15″W / 38.9703°N 90.4542°W / 38.9703; -90.4542 Grafton 41°23′37″N 88°15′37″W / 41.3936°N 88.2603°W / 41.3936; -88.2603 Confluence of the Kankakee and Des Plains rivers near Joliet, IL Iowa Right 520 400 m3 /s 41°09′38″N 91°01′26″W / 41.160555555°N 91.023888888°W / 41.160555555; -91.023888888 Louisa County, IA 43°13′33″N 93°47′19″W / 43.22597°N 93.78871°W / 43.22597; -93.78871 Hancock County, IA Kaskaskia River Left 515 420 m3 /s 37°58′30″N 89°56′15″W / 37.974942°N 89.937372°W / 37.974942; -89.937372 Chester, IL 40°05′11″N 88°18′52″W / 40.086436111°N 88.314369444°W / 40.086436111; -88.314369444 Champaign, IL La Crosse River Left 98 43°49′07″N 91°15′23″W / 43.8186°N 91.2565°W / 43.8186; -91.2565 La Crosse 44°06′54″N 90°36′34″W / 44.114877777°N 90.609405555°W / 44.114877777; -90.609405555 Warrens Little Elk River Right 47 46°00′36″N 94°21′49″W / 46.01°N 94.3636°W / 46.01; -94.3636 Little Falls 46°09′28″N 94°37′18″W / 46.157775°N 94.621727777°W / 46.157775; -94.621727777 Cushing Township Little Maquoketa River Right 48 42°34′37″N 90°40′52″W / 42.577°N 90.681°W / 42.577; -90.681 Sageville 42°29′46″N 90°59′49″W / 42.496°N 90.997°W / 42.496; -90.997 Farley Little Menominee River Left 23 42°25′31″N 90°32′04″W / 42.4252778°N 90.5344444°W / 42.4252778; -90.5344444 Menominee 42°33′42″N 90°32′10″W / 42.561666666°N 90.536111111°W / 42.561666666; -90.536111111 Hazel Green Little Two River Right 26 45°49′50″N 94°21′22″W / 45.8305°N 94.3561°W / 45.8305; -94.3561 Two Rivers Township 45°50′55″N 94°33′54″W / 45.848627777°N 94.564894444°W / 45.848627777; -94.564894444 Swanville Township Little Willow River Left 42 46°33′52″N 93°45′12″W / 46.5644°N 93.7533°W / 46.5644; -93.7533 Aitkin Township 46°43′45″N 93°41′37″W / 46.729202777°N 93.693488888°W / 46.729202777; -93.693488888 Waukenabo Township Maquoketa River Right 240 32 m3 /s 42°11′18″N 90°18′34″W / 42.18833333°N 90.30944444°W / 42.18833333; -90.30944444 Maquoketa, IA 42°43′08″N 91°42′39″W / 42.7189°N 91.7107°W / 42.7189; -91.7107 Fayette County, IA Marys River Left 66 37°52′49″N 89°46′59″W / 37.8803295°N 89.783161°W / 37.8803295; -89.783161 Chester 38°09′27″N 89°38′49″W / 38.157583333°N 89.646972222°W / 38.157583333; -89.646972222 Randolph County Menominee River Left 18 42°27′04″N 90°35′24″W / 42.4511111°N 90.59°W / 42.4511111; -90.59 Jo Daviess County 42°33′44″N 90°36′09″W / 42.562222222°N 90.6025°W / 42.562222222; -90.6025 Grant County Meramec River Right 350 94 m3 /s 38°23′23″N 90°20′39″W / 38.38972222°N 90.34416667°W / 38.38972222; -90.34416667 Arnold, MO 37°30′29″N 91°19′39″W / 37.508055555°N 91.3275°W / 37.508055555; -91.3275 Dent County, MO Minnehaha Creek Right 22 44°54′32″N 93°12′02″W / 44.9089°N 93.2005°W / 44.9089; -93.2005 Hiawatha 44°57′14″N 93°29′11″W / 44.953883333°N 93.486327777°W / 44.953883333; -93.486327777 Minnetonka Minnesota River Right 534 236 m3 /s 44°53′49″N 93°08′57″W / 44.896944444°N 93.149166666°W / 44.896944444; -93.149166666 Mendota, MN 45°18′10″N 96°27′07″W / 45.302777777°N 96.451944444°W / 45.302777777; -96.451944444 Big Stone Lake, MN Missouri River Right 3,726 2478 m3 /s 38°48′49″N 90°07′11″W / 38.8136°N 90.1197°W / 38.8136; -90.1197 Spanish Lake, MO 45°55′39″N 111°30′29″W / 45.9275°N 111.5081°W / 45.9275; -111.5081 Confluence of Jefferson and Madison Rivers near Three Forks, MT Nokasippi River Left 75 46°10′39″N 94°21′53″W / 46.1774666°N 94.3647254°W / 46.1774666; -94.3647254 Fort Ripley Township 46°24′47″N 93°54′34″W / 46.413166666°N 93.909416666°W / 46.413166666; -93.909416666 Bay Lake Township North River Right 132 39°51′21″N 91°26′41″W / 39.8558°N 91.4447°W / 39.8558; -91.4447 Palmyra 40°03′30″N 92°15′26″W / 40.058333333°N 92.257222222°W / 40.058333333; -92.257222222 Shelton Township Obion River Left 116 35°54′27″N 89°38′20″W / 35.9075°N 89.638888888°W / 35.9075; -89.638888888 Halls 36°12′22″N 88°56′27″W / 36.206097222°N 88.940741666°W / 36.206097222; -88.940741666 Kenton Ohio River Left 1,579 9600 m3 /s 36°59′12″N 89°07′52″W / 36.9867°N 89.1311°W / 36.9867; -89.1311 Cairo, IL 40°26′35″N 80°01′02″W / 40.4430066°N 80.0171244°W / 40.4430066; -80.0171244 Pittsburgh, PA Pigeon River Left 11 47°30′41″N 94°09′34″W / 47.511389°N 94.159444°W / 47.511389; -94.159444 Deer River 47°34′18″N 94°09′21″W / 47.571666666°N 94.155722222°W / 47.571666666; -94.155722222 Bowstring Lake Pine Creek Right 38 43°48′27″N 91°16′06″W / 43.807555555°N 91.268333333°W / 43.807555555; -91.268333333 La Crescent 43°53′19″N 91°32′17″W / 43.888594444°N 91.538172222°W / 43.888594444; -91.538172222 New Hartford Township Pine River Left 91.6 46°33′50″N 94°02′12″W / 46.5638521°N 94.0366509°W / 46.5638521; -94.0366509 Mission Township 46°48′15″N 94°31′23″W / 46.804083333°N 94.523166666°W / 46.804083333; -94.523166666 Backus Platte River Left 89 45°46′45″N 94°16′45″W / 45.779167°N 94.279167°W / 45.779167; -94.279167 Royalton 46°09′01″N 93°56′06″W / 46.150313888°N 93.935108333°W / 46.150313888; -93.935108333 Richardson Township Plum River Left 75 42°05′14″N 90°09′15″W / 42.0872222°N 90.1541667°W / 42.0872222; -90.1541667 Savanna 42°20′08″N 89°59′14″W / 42.335444444°N 89.987166666°W / 42.335444444; -89.987166666 Stockton Township Prairie River Left 80 47°12′54″N 93°28′57″W / 47.2149433°N 93.4824358°W / 47.2149433; -93.4824358 La Prairie 47°35′39″N 93°10′52″W / 47.594097222°N 93.181022222°W / 47.594097222; -93.181022222 Itasca County Rabbit River Left 15 46°27′41″N 94°03′51″W / 46.461389°N 94.064167°W / 46.461389; -94.064167 Riverton 46°31′23″N 93°56′53″W / 46.522927777°N 93.948166666°W / 46.522927777; -93.948166666 Wolford Township Rice Creek Left 45 45°05′20″N 93°16′44″W / 45.0888°N 93.279°W / 45.0888; -93.279 Fridley 45°09′14″N 93°05′04″W / 45.153952777°N 93.084527777°W / 45.153952777; -93.084527777 Forest Lake Rice River Left 92 46°35′23″N 93°38′04″W / 46.589722°N 93.634444°W / 46.589722; -93.634444 Spencer Township 46°22′57″N 93°19′04″W / 46.382583333°N 93.317916666°W / 46.382583333; -93.317916666 Jewett Ripple River Right 68 46°32′30″N 93°42′01″W / 46.541667°N 93.700278°W / 46.541667; -93.700278 Aitkin Township 46°24′19″N 93°49′52″W / 46.405166666°N 93.831222222°W / 46.405166666; -93.831222222 Bay Lake Township River aux Vases Right 60 37°55′10″N 89°59′32″W / 37.919552777°N 89.992188888°W / 37.919552777; -89.992188888 St. Mary 37°46′44″N 90°15′48″W / 37.778875°N 90.263388888°W / 37.778875; -90.263388888 Ste. Genevieve County River des Peres Right 15 38°31′59″N 90°15′38″W / 38.533055555°N 90.260555555°W / 38.533055555; -90.260555555 St. Louis 38°37′14″N 90°16′39″W / 38.620583333°N 90.277447222°W / 38.620583333; -90.277447222 St. Louis Rock River Left 459 204 m3 /s 41°28′57″N 90°36′58″W / 41.4825°N 90.616111111°W / 41.4825; -90.616111111 Rock Island, IL 43°28′26″N 88°38′41″W / 43.473888888°N 88.644722222°W / 43.473888888; -88.644722222 Horicon Marsh, WI Rum River Left 243 19 m3 /s 45°11′24″N 93°23′25″W / 45.19°N 93.390277777°W / 45.19; -93.390277777 Anoka, MN 46°09′38″N 93°45′21″W / 46.160444444°N 93.755777777°W / 46.160444444; -93.755777777 Mille Lacs Lake, MN Rush River Left 70 44°33′29″N 92°19′51″W / 44.558056°N 92.330833°W / 44.558056; -92.330833 Saint Paul 44°57′47″N 92°23′42″W / 44.963155555°N 92.395052777°W / 44.963155555; -92.395052777 Baldwin Saline Creek Right 50 37°54′22″N 89°58′30″W / 37.90611111°N 89.975°W / 37.90611111; -89.975 St. Mary 37°44′42″N 90°15′11″W / 37.745116666°N 90.253061111°W / 37.745116666; -90.253061111 Ste. Genevieve County Salt River Right 89 39°28′00″N 91°03′48″W / 39.4667°N 91.0633°W / 39.4667; -91.0633 Louisiana 39°31′27″N 91°38′38″W / 39.52425°N 91.643944444°W / 39.52425; -91.643944444 Perry County Sandy River Left 57 46°47′23″N 93°19′40″W / 46.789722°N 93.327778°W / 46.789722; -93.327778 Libby Township 46°35′17″N 93°04′23″W / 46.588°N 93.072972222°W / 46.588; -93.072972222 Salo Township Sauk River Right 196 9.7 m3 /s 45°35′30″N 94°10′36″W / 45.5917°N 94.1767°W / 45.5917; -94.1767 Sauk Rapids, MN 45°53′46″N 95°05′48″W / 45.895983333°N 95.096755555°W / 45.895983333; -95.096755555 Lake Osakis, MN Schoolcraft River Right 48 47°26′36″N 94°53′32″W / 47.443333333°N 94.892222222°W / 47.443333333; -94.892222222 Bemidji 47°07′58″N 95°01′16″W / 47.132916666°N 95.021°W / 47.132916666; -95.021 Clay Township Sinsinawa River Left 34 42°24′36″N 90°30′20″W / 42.41°N 90.5055556°W / 42.41; -90.5055556 Menominee Township 42°34′56″N 90°31′41″W / 42.582111111°N 90.527944444°W / 42.582111111; -90.527944444 Dickeyville Skunk River Right 150 40°41′53″N 91°06′54″W / 40.698°N 91.115°W / 40.698; -91.115 Burlington 41°14′55″N 92°01′35″W / 41.248638888°N 92.026277777°W / 41.248638888; -92.026277777 Richland St. Croix River Right 264 180 m3 /s 44°44′45″N 92°48′10″W / 44.745833333°N 92.802777777°W / 44.745833333; -92.802777777 Prescott, WI 46°19′42″N 91°48′40″W / 46.328377777°N 91.811138888°W / 46.328377777; -91.811138888 Solon Springs, WI St. Francis River Right 686 254.2 m3 /s 34°37′28″N 90°35′31″W / 34.624444444°N 90.591944444°W / 34.624444444; -90.591944444 Phillips County, AR 37°40′56″N 90°40′34″W / 37.682308333°N 90.676133333°W / 37.682308333; -90.676133333 Iron County, MO Swan River Left 97 47°00′33″N 93°15′50″W / 47.009167°N 93.263889°W / 47.009167; -93.263889 Ball Bluff Township 47°17′19″N 93°13′56″W / 47.288694444°N 93.232305555°W / 47.288694444; -93.232305555 Pengilly Trimbelle River Left 47 44°36′14″N 92°34′03″W / 44.603889°N 92.5675°W / 44.603889; -92.5675 Trenton 44°51′56″N 92°28′06″W / 44.86565°N 92.46825°W / 44.86565; -92.46825 River Falls Turtle River Left 79 47°28′11″N 94°31′27″W / 47.469722222°N 94.524222222°W / 47.469722222; -94.524222222 Cass Lake 47°38′47″N 94°57′35″W / 47.646444444°N 94.959666666°W / 47.646444444; -94.959666666 Liberty Township Two River Right 9 45°49′30″N 94°21′26″W / 45.825°N 94.3571°W / 45.825; -94.3571 Two Rivers Township 45°48′20″N 94°24′47″W / 45.805611111°N 94.413055555°W / 45.805611111; -94.413055555 Two Rivers Township Upper Iowa River Right 251 20 m3 /s 43°27′58″N 91°14′02″W / 43.466°N 91.234°W / 43.466; -91.234 New Albin, IA 43°35′54″N 92°35′24″W / 43.598297222°N 92.590025°W / 43.598297222; -92.590025 Mower County, MN Vermillion River Right 96 44°36′07″N 92°35′26″W / 44.601938888°N 92.590436111°W / 44.601938888; -92.590436111 Red Wing 44°35′11″N 93°20′03″W / 44.586272222°N 93.334116666°W / 44.586272222; -93.334116666 New Market Township Wapsipinicon River Right 480 52 m3 /s 41°43′47″N 90°19′11″W / 41.72972222°N 90.31972222°W / 41.72972222; -90.31972222 Clinton, IA 43°32′55″N 92°38′40″W / 43.548611111°N 92.644444444°W / 43.548611111; -92.644444444 Taopi, MN Wells Creek Right 44 44°30′56″N 92°19′06″W / 44.515556°N 92.318333°W / 44.515556; -92.318333 Frontenac , 44°23′06″N 92°34′04″W / 44.384977777°N 92.567891666°W / 44.384977777; -92.567891666 Goodhue Township White River Right 1,162 741 m3 /s 33°57′05″N 91°04′53″W / 33.951388888°N 91.081388888°W / 33.951388888; -91.081388888 Watson, AR 35°50′20″N 93°36′16″W / 35.838888888°N 93.604444444°W / 35.838888888; -93.604444444 Boston Mountains , AR Willow River Right 122 46°40′22″N 93°35′33″W / 46.6727327°N 93.592463°W / 46.6727327; -93.592463 Waukenabo 47°05′27″N 93°50′43″W / 47.09075°N 93.845377777°W / 47.09075; -93.845377777 East Cass Wisconsin River Left 692 340 m3 /s 42°59′22″N 91°09′14″W / 42.989444444°N 91.153888888°W / 42.989444444; -91.153888888 Prairie du Chein, WI 46°07′13″N 89°09′06″W / 46.120416666°N 89.151666666°W / 46.120416666; -89.151666666 Lac Vieux Desert, WI Wolf River Left 169 35°10′58″N 90°03′24″W / 35.182867°N 90.0567579°W / 35.182867; -90.0567579 Memphis 34°57′05″N 89°00′24″W / 34.951333333°N 89.006555555°W / 34.951333333; -89.006555555 North Tippah School District Wyaconda River Right 81 40°03′35″N 91°29′45″W / 40.059768°N 91.49571°W / 40.059768; -91.49571 La Grange 40°24′17″N 91°51′42″W / 40.404761°N 91.8615588°W / 40.404761; -91.8615588 Wyaconda Yazoo Left 188 32°20′08″N 90°53′50″W / 32.335556°N 90.897222°W / 32.335556; -90.897222 Vicksburg, MS 33°33′07″N 90°10′50″W / 33.551872°N 90.180424°W / 33.551872; -90.180424 Confluence of Tallahatchie and Yalobusha rivers atGreenwood, MS Yellow River Right 86 43°05′06″N 91°10′52″W / 43.085°N 91.181°W / 43.085; -91.181 Marquette 43°09′24″N 91°45′19″W / 43.156658333°N 91.755333333°W / 43.156658333; -91.755333333 Winneshiek County Zumbro River Right 104 44°17′30″N 91°55′40″W / 44.2916°N 91.9279°W / 44.2916; -91.9279 Greenfield Township 44°09′11″N 92°28′06″W / 44.152986111°N 92.468272222°W / 44.152986111; -92.468272222 Oronoco Township