Rivers of the United States

Updated August 5, 2020 | Infoplease Staff

(350 or more miles long)

Alabama-Coosa (600 mi.; 966 km): From junction of Oostanula and Etowah R. in Georgia to Mobile R.
Altamaha-Ocmulgee (392 mi.; 631 km): From junction of Yellow R. and South R., Newton Co. in Georgia to Atlantic Ocean.
Apalachicola-Chattahoochee (524 mi.; 843 km): From Towns Co. in Georgia to Gulf of Mexico in Florida.
Arkansas (1,459 mi.; 2,348 km): From Lake Co. in Colorado to Mississippi R. in Arkansas.
Brazos (923 mi.; 1,490 km): From junction of Salt Fork and Double Mountain Fork in Texas to Gulf of Mexico.
Canadian (906 mi.; 1,458 km): From Las Animas Co. in Colorado to Arkansas R. in Oklahoma.
Cimarron (600 mi.; 966 km): From Colfax Co. in New Mexico to Arkansas R. in Oklahoma.
Colorado (1,450 mi.; 2,333 km): From Rocky Mountain National Park in Colorado to Gulf of California in Mexico.
Colorado (862 mi.; 1,387 km): From Dawson Co. in Texas to Matagorda Bay.
Columbia (1,243 mi.; 2,000 km): From Columbia Lake in British Columbia to Pacific Ocean (entering between Oregon and Washington).
Colville (350 mi.; 563 km): From Brooks Range in Alaska to Beaufort Sea.
Connecticut (407 mi.; 655 km): From Third Connecticut Lake in New Hampshire to Long Island Sound in Connecticut.
Cumberland (720 mi.; 1,159 km): From junction of Poor and Clover Forks in Harlan Co. in Kentucky to Ohio R.
Delaware (390 mi.; 628 km): From Schoharie Co. in New York to Liston Point, Delaware Bay.
Gila (649 mi.; 1,044 km): From Catron Co. in New Mexico to Colorado R. in Arizona.
Green (360 mi.; 579 km): From Lincoln Co. in Kentucky to Ohio R. in Kentucky.
Green (730 mi.; 1,175 km): From Sublette Co. in Wyoming to Colorado R. in Utah.
Illinois (420 mi.; 676 km): From St. Joseph Co. in Indiana to Mississippi R. at Grafton in Illinois.
James (sometimes called Dakota) (710 mi.; 1,143 km): From Wells Co. in North Dakota to Missouri R. in South Dakota.
Kanawha-New (352 mi.; 566 km): From junction of North and South Forks of New R. in North Carolina, through Virginia and West Virginia (New R. becoming Kanawha R.), to Ohio R.
Kansas (743 mi.; 1,196 km): From source of Arikaree R. in Elbert Co., Colorado, to Missouri R. at Kansas City, Kansas.
Koyukuk (470 mi.; 756 km): From Brooks Range in Alaska to Yukon R.
Kuskokwim (724 mi.; 1,165 km): From Alaska Range in Alaska to Kuskokwim Bay.
Licking (350 mi.; 563 km): From Magoffin Co. in Kentucky to Ohio R. at Cincinnati in Ohio.
Little Missouri (560 mi.; 901 km): From Crook Co. in Wyoming to Missouri R. in North Dakota.
Milk (625 mi.; 1,006 km): From junction of forks in Alberta Province to Missouri R.
Mississippi (2,348 mi.; 3,779 km): From Lake Itasca in Minnesota to mouth of Southwest Pass in Louisiana.
Mississippi-Missouri-Red Rock (3,710 mi.; 5,970 km): From source of Red Rock R. in Montana to mouth of Southwest Pass in Louisiana.
Missouri (2,315 mi.; 3,726 km): From junction of Jefferson R., Gallatin R., and Madison R. in Montana to Mississippi R. near St. Louis.
Missouri-Red Rock (2,540 mi.; 4,090 km): From source of Red Rock R. in Montana to Mississippi R. near St. Louis.
Mobile-Alabama-Coosa (645 mi.; 1,040 km): From junction of Etowah R. and Oostanula R. in Georgia to Mobile Bay.
Neosho (460 mi.; 740 km): From Morris Co. in Kansas to Arkansas R. in Oklahoma.
Niobrara (431 mi.; 694 km): From Niobrara Co. in Wyoming to Missouri R. in Nebraska.
Noatak (350 mi.; 563 km): From Brooks Range in Alaska to Kotzebue Sound.
North Canadian (800 mi.; 1,290 km): From Union Co. in New Mexico to Canadian R. in Oklahoma.
North Platte (618 mi.; 995 km): From Jackson Co. in Colorado to junction with South Platte R. in Nebraska to form Platte R.
Ohio (981 mi.; 1,579 km): From junction of Allegheny R. and Monongahela R. at Pittsburgh to Mississippi R. between Illinois and Kentucky.
Ohio-Allegheny (1,306 mi.; 2,102 km): From Potter Co. in Pennsylvania to Mississippi R. at Cairo in Illinois.
Osage (500 mi.; 805 km): From east-central Kansas to Missouri R. near Jefferson City in Missouri.
Ouachita (605 mi.; 974 km): From Polk Co. in Arkansas to Red R. in Louisiana.
Pearl (411 mi.; 661 km): From Neshoba County in Mississippi to Gulf of Mexico (Mississippi-Louisiana).
Pecos (926 mi.; 1,490 km): From Mora Co. in New Mexico to Rio Grande in Texas.
Pee Dee-Yadkin (435 mi.; 700 km): From Watauga Co. in North Carolina to Winyah Bay in South Carolina.
Pend Oreille–Clark Fork (531 mi.; 855 km): Near Butte in Montana to Columbia R. on Washington-Canada border.
Platte (990 mi.; 1593 km): From source of Grizzly Creek in Jackson Co., Colorado, to Missouri R. south of Omaha, Nebraska.
Porcupine (569 mi.; 916 km): From Yukon Territory, Canada, to Yukon R. in Alaska.
Potomac (383 mi.; 616 km): From Garrett Co. in Maryland to Chesapeake Bay at Point Lookout in Maryland.
Powder (375 mi.; 603 km): From junction of forks in Johnson Co. in Wyoming to Yellowstone R. in Montana.
Red (1,290 mi.; 2,080 km): From source of Tierra Blanca Creek in Curry County, New Mexico, to Mississippi R. in Louisiana.
Red (also called Red River of the North) (545 mi.; 877 km): From junction of Otter Tail R. and Bois de Sioux R. in Minnesota to Lake Winnipeg in Manitoba, Canada.
Republican (445 mi.; 716 km): From junction of North Fork and Arikaree R. in Nebraska to junction with Smoky Hill R. in Kansas to form the Kansas R.
Rio Grande (1,900 mi.; 3,060 km): From San Juan Co. in Colorado to Gulf of Mexico.
Roanoke (380 mi.; 612 km): From junction of forks in Montgomery Co. in Virginia to Albemarle Sound in North Carolina.
Sabine (380 mi.; 612 km): From junction of forks in Hunt Co. in Texas to Sabine Lake between Texas and Louisiana.
Sacramento (377 mi.; 607 km): From Siskiyou Co. in California to Suisun Bay.
Saint Francis (425 mi.; 684 km): From Iron Co. in Missouri to Mississippi R. in Arkansas.
Salmon (420 mi.; 676 km): From Custer Co. in Idaho to Snake R.
San Joaquin (350 mi.; 563 km): From junction of forks in Madera Co. in California to Suisun Bay.
San Juan (360 mi.; 579 km): From Archuleta Co. in Colorado to Colorado R. in Utah.
Santee-Wateree-Catawba (538 mi.; 866 km): From McDowell Co. in North Carolina to Atlantic Ocean in South Carolina.
Smoky Hill (540 mi.; 869 km): From Cheyenne Co. in Colorado to junction with Republican R. in Kansas to form Kansas R.
Snake (1,038 mi.; 1,670 km): From Ocean Plateau in Wyoming to Columbia R. in Washington.
South Platte (424 mi.; 682 km): From Park Co. in Colorado to junction with North Platte R. in Nebraska to form Platte R.
Stikine (379 mi.; 610 km): From British Columbia in Canada to Stikine Strait near Wrangell, Alaska.
Susquehanna (444 mi.; 715 km): From Otsego Lake in New York to Chesapeake Bay in Maryland.
Tanana (659 mi.; 1,060 km): From Wrangell Mts. in Yukon Territory, Canada, to Yukon R. in Alaska.
Tennessee (652 mi.; 1,049 km): From junction of Holston R. and French Broad R. in Tennessee to Ohio R. in Kentucky.
Tennessee–French Broad (886 mi.; 1,417 km): From Transylvania Co. in North Carolina to Ohio R. at Paducah in Kentucky.
Tombigbee (525 mi.; 845 km): From junction of forks in Itawamba Co. in Mississippi to Mobile R. in Alabama.
Trinity (360 mi.; 579 km): From junction of forks in Dallas Co. in Texas to Galveston Bay.
Wabash (512 mi.; 824 km): From Darke Co. in Ohio to Ohio R. between Illinois and Indiana.
Washita (500 mi.; 805 km): From Hemphill Co. in Texas to Red R. in Oklahoma.
White (722 mi.; 1,160 km): From Madison Co. in Arkansas to Mississippi R.
Wisconsin (430 mi.; 692 km): From Vilas Co. in Wisconsin to Mississippi R.
Yellowstone (692 mi.; 1,110 km): From Park Co. in Wyoming to Missouri R. in North Dakota.
Yukon (1,979 mi.; 3,185 km): From source of McNeil R. in Yukon Territory, Canada, to Bering Sea in Alaska.