| River |
Mileage |
Headwaters |
Head State |
Mouth |
Mouth State |
| Alabama-Coosa |
600 |
Confluence of Oostanula
and Etowah River |
GA |
Mobile R. |
AL |
| Altamaha-Ocmulgee |
392 |
Confluence of Yellow River
and South River, Newton County |
GA |
Atlantic Ocean. |
GA |
| Apalachicola-Chattahoochee |
524 |
Towns County |
GA |
Gulf of Mexico in Florida. |
FL |
| Arkansas |
1,459 |
Lake
County |
CO |
Mississippi R. in Arkansas. |
AR |
| Brazos |
923 |
confluence of Salt Fork
and Double Mountain Fork |
TX |
Gulf of Mexico. |
TX |
| Canadian |
906 |
Las Animas County |
CO |
Arkansas R. in Oklahoma. |
OK |
| Cimarron |
600 |
Colfax County |
NM |
Arkansas R. in Oklahoma. |
OK |
| Colorado |
1,450 |
Rocky Mountain National
Park |
CO |
Gulf of California in Mexico. |
Mexico |
| Colorado |
862 |
Dawson County |
TX |
Matagorda Bay. |
TX |
| Columbia |
1,243 |
Columbia Lake |
British Columbia, Canada |
Pacific Ocean (entering
between Oregon and Washington |
OR/WA |
| Colville |
350 |
Brooks Range |
AK |
Beaufort Sea. |
AK |
| Connecticut |
407 |
Fourth Connecticut Lake |
NH |
Long Island Sound in Connecticut. |
CT |
| Cumberland |
720 |
confluence of Poor and
Clover Forks |
KY |
Ohio R. |
KY |
| Delaware |
390 |
Schoharie County |
NY |
Liston Point, Delaware
Bay. |
DE |
| Gila |
649 |
Catron County |
NM |
Colorado R. in Arizona. |
AZ |
| Green |
360 |
Lincoln County |
KY |
Ohio R. in Kentucky. |
KY |
| Green |
730 |
Sublette County |
WY |
Colorado R. in Utah. |
UT |
| Illinois-Kankakee |
420 |
Confluence of DuPage and
Des Plaines and Kankakee Rivers |
IL |
Mississippi R. at Grafton
in Illinois. |
IL |
| James (aka "Dakota") |
710 |
Wells County |
ND |
Missouri R. in South Dakota. |
SD |
| Kanawha-New |
352 |
confluence of North and
South Forks of New River |
NC |
|
|
| Kansas |
743 |
source of Arikaree River |
CO |
Missouri R. at Kansas City,
Kansas. |
KS |
| Koyukuk |
470 |
Brooks Range |
AK |
Yukon R. |
AK |
| Kuskokwim |
724 |
Alaska Range |
AK |
Kuskokwim Bay. |
AK |
| Licking |
350 |
Magoffin County |
KY |
Ohio R. at Cincinnati in
Ohio. |
OH |
| Little Missouri |
560 |
Crook County |
WY |
Missouri R. in North Dakota. |
ND |
| Milk |
625 |
confluence of forks |
Alberta, Canada |
Missouri R. |
|
| Mississippi |
2,348 |
Lake
Itasca |
MN |
mouth of Southwest Pass
in Louisiana. |
LA |
| Mississippi-Missouri-Red
Rock |
3,710 |
source of Red Rock River |
MT |
mouth of Southwest Pass
in Louisiana. |
LA |
| Missouri |
2,315 |
Missouri
Headwaters State Park at Three Rivers, Montana (Jefferson, Madison and
Gallatin) |
MT |
Mississippi R. near St
Louis |
MO |
| Missouri-Red Rock |
2,540 |
source of Red Rock River |
MT |
Mississippi R. near St.
Louis. |
MO |
| Mobile-Alabama-Coosa |
645 |
confluence of Etowah River
and Oostanula River |
GA |
Mobile Bay. |
AL |
| Neosho |
460 |
Morris County |
KS |
Arkansas R. in Oklahoma. |
OK |
| Niobrara |
431 |
Niobrara County |
WY |
Missouri R. in Nebraska. |
NE |
| Noatak |
350 |
Brooks Range |
AK |
Kotzebue Sound. |
|
| North Canadian |
800 |
Union County |
NM |
Canadian R. in Oklahoma. |
OK |
| North Platte |
618 |
Jackson County |
CO |
confluence with South Platte
R. in Nebraska to form |
|
| Ohio |
981 |
confluence of Allegheny
River and Monongahela River at Pittsburgh |
PA |
Mississippi R. between
Illinois and Kentucky |
IL |
| Ohio-Allegheny |
1,306 |
Potter County |
PA |
Mississippi R. at Cairo
in Illinois. |
IL |
| Osage |
500 |
east-central Kansas |
KS |
Missouri R. near Jefferson
City in Missouri. |
MO |
| Ouachita |
605 |
Polk County |
AR |
Red R. in Louisiana. |
LA |
| Pearl |
411 |
Neshoba County |
MS |
Gulf of Mexico (Mississippi-Louisiana). |
MS-LA |
| Pecos |
926 |
Mora County |
NM |
Rio Grande in Texas. |
TX |
| Pee Dee-Yadkin |
435 |
Watauga County |
NC |
Winyah Bay in South Carolina. |
SC |
| Pend Oreille-Clark Fork |
531 |
Butte |
MT |
Columbia R. in British
Columbia |
WA-Canada |
| Platte |
990 |
source of Grizzly Creek |
CO |
Missouri R. south of Omaha,
Nebraska. |
NE |
| Porcupine |
569 |
|
Yukon, Canada |
Yukon R. in Alaska. |
AK |
| Potomac |
383 |
Fairfax
Stone |
WV |
Chesapeake Bay at Point
Lookout in Maryland. |
MD |
| Powder |
375 |
Johnson County (confluence
of forks) |
WY |
Yellowstone R. in Montana. |
MT |
| Red |
1,290 |
source of Tierra Blanca
Creek |
NM |
Mississippi R. in Louisiana. |
LA |
| Red |
545 |
confluence of Otter Tail
River and Bois de Sioux River |
MN |
Lake Winnipeg in Manitoba,
Canada |
|
| Republican |
445 |
confluence of North Fork
and Arikaree River |
NE |
confluence with Smoky Hill
R. in Kansas to form the Kansas R. |
KS |
| Rio Grande |
1,900 |
Rio
Grand Pyramid in San
Juan County |
CO |
Gulf of Mexico. |
|
| Roanoke |
380 |
Montgomery County (confluence
of forks) |
VA |
Albemarle Sound in North
Carolina. |
NC |
| Sabine |
380 |
Hunt County (confluence
of forks) |
TX |
Sabine Lake between Texas
and Louisiana. |
TX-LA |
| Sacramento |
377 |
Siskiyou County |
CA |
Suisun Bay. |
|
| Saint Francis |
425 |
Iron County |
MO |
Mississippi R. in Arkansas. |
AR |
| Salmon |
420 |
Custer County |
ID |
Snake R. |
|
| San Joaquin |
350 |
Madera County (confluence
of forks) |
CA |
Suisun Bay. |
|
| San Juan |
360 |
Archuleta County |
CO |
Colorado R. in Utah. |
UT |
| Santee-Wateree-Catawba |
538 |
McDowell County |
NC |
Atlantic Ocean in South
Carolina. |
SC |
| Smoky Hill |
540 |
Cheyenne County |
CI |
confluence with Republican
R. in Kansas to form Kansas R. |
KS |
| Snake |
1,038 |
Ocean Plateau |
WY |
Columbia R. in Washington. |
WA-Canada |
| South Platte |
424 |
Park County |
CO |
confluence with North Platte
R. in Nebraska to form Platte River. |
NE |
| Stikine |
379 |
British Columbia |
British Columbia, Canada |
Stikine Strait near Wrangell,
Alaska. |
AK |
| Susquehanna |
444 |
Otsego Lake |
NY |
Chesapeake Bay in Maryland. |
MD |
| Tanana |
659 |
Wrangell Mts. |
Yukon, Canada |
Yukon R. in Alaska. |
AK |
| Tennessee |
652 |
confluence of Holston River
and French Broad River |
TN |
Ohio R. in Kentucky. |
KY |
| Tennessee-French Broad |
886 |
Transylvania County |
NC |
Ohio R. at Paducah in Kentucky. |
KY |
| Tombigbee |
525 |
Itawama County (confluence
of forks) |
MS |
Mobile R. in Alabama. |
AL |
| Trinity |
360 |
Dallas County (confluence
of forks) |
TX |
Galveston Bay. |
TX |
| Wabash |
512 |
Darke County |
OH |
Ohio R. between Illinois
and Indiana. |
IL-IN |
| Washita |
500 |
Hemphill County |
TX |
Red R. in Oklahoma. |
OK |
| White |
722 |
Madison County |
AR |
Mississippi R. |
AR |
| Wisconsin |
430 |
Vilas County |
WI |
Mississippi R. |
WI |
| Yellowstone |
692 |
Park County |
WY |
Missouri R. in North Dakota. |
ND |
| Yukon |
1,979 |
source of McNeil River |
Yukon, Canada |
Bering Sea in Alaska. |
AK |
