Wormillion › Places › Rivers › Well known
Well known: rivers at 25–50% obscurity
25–50% obscurity: known to most people who paid attention in geography. 628 rivers.
Rarest here: Agno (50%). Most famous: Yukon (25%).
| Place | Obscurity | Views / month | Points |
|---|---|---|---|
| Aare | 33% | 3,835 | 372 |
| Acheloos | 48% | 883 | 590 |
| Adda | 48% | 913 | 584 |
| Adige | 35% | 3,196 | 397 |
| Agno | 50% | 761 | 613 |
| Aire | 42% | 1,522 | 505 |
| Alabama | 42% | 1,583 | 499 |
| Aliakmon | 48% | 883 | 590 |
| Allegheny | 28% | 5,844 | 316 |
| Altamaha | 43% | 1,400 | 518 |
| American | 38% | 2,344 | 441 |
| Amstel | 36% | 2,922 | 410 |
| Amur | 26% | 7,336 | 287 |
| Anacostia | 42% | 1,552 | 502 |
| Androscoggin | 42% | 1,522 | 505 |
| Angara | 40% | 1,979 | 466 |
| Animas | 47% | 1,005 | 569 |
| Apalachicola | 39% | 2,039 | 461 |
| Apple | 36% | 2,800 | 416 |
| Apurimac | 43% | 1,461 | 511 |
| Aras | 36% | 2,679 | 422 |
| Arno | 33% | 3,835 | 372 |
| Arroyo Seco | 43% | 1,461 | 511 |
| Arun | 48% | 913 | 584 |
| Assiniboine | 44% | 1,278 | 532 |
| Atbara | 50% | 761 | 613 |
| Atchafalaya | 31% | 4,505 | 350 |
| Athabasca | 40% | 2,009 | 463 |
| Au Sable | 39% | 2,100 | 457 |
| Awash | 45% | 1,187 | 543 |
| Back | 48% | 913 | 584 |
| Balsas | 48% | 883 | 590 |
| Barada | 49% | 791 | 607 |
| Barak | 43% | 1,461 | 511 |
| Barrow | 48% | 913 | 584 |
| Bayou Bartholomew | 47% | 1,035 | 564 |
| Bayou Lafourche | 45% | 1,157 | 547 |
| Bayou Teche | 44% | 1,278 | 532 |
| Bear | 43% | 1,461 | 511 |
| Beas | 29% | 5,571 | 322 |
| Benue | 45% | 1,187 | 543 |
| Berezina | 48% | 913 | 584 |
| Betwa | 42% | 1,613 | 496 |
| Bharathappuzha | 44% | 1,278 | 532 |
| Bhima | 39% | 2,192 | 451 |
| Bievre | 48% | 913 | 584 |
| Big Sioux | 45% | 1,248 | 535 |
| Big Thompson | 47% | 1,035 | 564 |
| Bighorn | 45% | 1,248 | 535 |
| Black Drin | 48% | 913 | 584 |
| Black Warrior | 44% | 1,278 | 532 |
| Blackfoot | 49% | 791 | 607 |
| Blue Nile | 27% | 6,332 | 306 |
| Bobr | 49% | 822 | 601 |
| Boise | 48% | 883 | 590 |
| Bosna | 46% | 1,065 | 560 |
| Bow | 34% | 3,501 | 384 |
| Boyne | 41% | 1,826 | 478 |
| Brahmani | 42% | 1,583 | 499 |
| Brandywine | 48% | 944 | 579 |
| Brazos | 28% | 6,118 | 310 |
| Breg | 39% | 2,131 | 455 |
| Brisbane River | 39% | 2,192 | 451 |
| Bristol Avon | 32% | 4,049 | 364 |
| Broad | 49% | 791 | 607 |
| Bronx | 41% | 1,826 | 478 |
| Bubbly Creek | 44% | 1,278 | 532 |
| Buffalo | 43% | 1,492 | 508 |
| Buffalo Bayou | 39% | 2,070 | 459 |
| Bug | 38% | 2,283 | 445 |
| Buyuk Menderes | 42% | 1,613 | 496 |
| Cache la Poudre | 47% | 974 | 574 |
| Cagayan | 43% | 1,431 | 514 |
| Calder | 45% | 1,157 | 547 |
| Caloosahatchee | 45% | 1,157 | 547 |
| Calumet | 47% | 1,035 | 564 |
| Cam | 35% | 3,166 | 398 |
| Canadian | 30% | 4,992 | 337 |
| Caney Fork | 50% | 761 | 613 |
| Cano Cristales | 38% | 2,283 | 445 |
| Cape Fear | 26% | 6,940 | 294 |
| Catawba | 40% | 1,948 | 468 |
| Cetina | 47% | 1,035 | 564 |
| Chagres | 47% | 974 | 574 |
| Chambal | 28% | 6,179 | 309 |
| Chao Phraya | 30% | 4,901 | 339 |
| Chari | 45% | 1,157 | 547 |
| Charles | 29% | 5,449 | 325 |
| Chattooga | 44% | 1,370 | 521 |
| Chenab | 26% | 6,940 | 294 |
| Cherwell | 48% | 944 | 579 |
| Chippewa | 50% | 761 | 613 |
| Churchill River | 45% | 1,187 | 543 |
| Cimarron | 46% | 1,065 | 560 |
| Citarum | 46% | 1,126 | 551 |
| Clark Fork | 38% | 2,374 | 439 |
| Clear Creek | 50% | 761 | 613 |
| Clearwater | 49% | 852 | 595 |
| Clinch | 46% | 1,065 | 560 |
| Clyde | 30% | 5,053 | 335 |
| Colne | 46% | 1,126 | 551 |
| Comal | 49% | 852 | 595 |
| Connecticut River | 27% | 6,423 | 304 |
| Cooper | 49% | 791 | 607 |
| Cooper Creek | 46% | 1,065 | 560 |
| Coosa | 45% | 1,248 | 535 |
| Copper | 41% | 1,766 | 483 |
| Credit | 49% | 791 | 607 |
| Cumberland | 29% | 5,540 | 323 |
| Current | 45% | 1,157 | 547 |
| Cuyahoga | 26% | 7,093 | 292 |
| D River | 47% | 1,005 | 569 |
| Dambovita | 49% | 822 | 601 |
| Damodar | 38% | 2,283 | 445 |
| Dan | 49% | 791 | 607 |
| Darling | 41% | 1,735 | 485 |
| Dart | 47% | 1,005 | 569 |
| Daugava | 34% | 3,227 | 396 |
| Derwent (Derbyshire) | 37% | 2,557 | 428 |
| Des Moines | 43% | 1,431 | 514 |
| Des Plaines | 36% | 2,770 | 417 |
| Deschutes | 42% | 1,644 | 493 |
| Detroit River | 30% | 5,114 | 333 |
| Devils | 44% | 1,309 | 528 |
| Dniester | 29% | 5,205 | 331 |
| Don | 30% | 5,083 | 334 |
| Dordogne | 42% | 1,644 | 493 |
| Doubs | 49% | 791 | 607 |
| Draa | 44% | 1,278 | 532 |
| Drava | 36% | 2,770 | 417 |
| Drin | 45% | 1,157 | 547 |
| Drina | 37% | 2,466 | 434 |
| Duck | 45% | 1,248 | 535 |
| Dunajec | 49% | 822 | 601 |
| Durance | 49% | 822 | 601 |
| Duwamish | 46% | 1,096 | 555 |
| Ebro | 26% | 6,819 | 297 |
| Eden | 46% | 1,126 | 551 |
| Eel | 44% | 1,278 | 532 |
| Eider | 48% | 944 | 579 |
| Eisbach | 34% | 3,227 | 396 |
| Ems | 46% | 1,126 | 551 |
| Esopus Creek | 49% | 822 | 601 |
| Essequibo | 42% | 1,613 | 496 |
| Eurotas | 49% | 852 | 595 |
| Fal | 50% | 761 | 613 |
| Feather | 46% | 1,126 | 551 |
| Finke | 39% | 2,070 | 459 |
| Flathead | 48% | 883 | 590 |
| Fleet | 32% | 4,201 | 360 |
| Flint | 45% | 1,187 | 543 |
| Fly | 45% | 1,248 | 535 |
| Fox | 36% | 2,922 | 410 |
| Foyle | 47% | 974 | 574 |
| Fraser | 27% | 6,271 | 307 |
| French Broad | 33% | 3,561 | 382 |
| Frio | 39% | 2,161 | 453 |
| Gallatin | 49% | 822 | 601 |
| Gambia River | 38% | 2,283 | 445 |
| Gandak | 34% | 3,470 | 386 |
| Garonne | 33% | 3,683 | 377 |
| Gasconade | 49% | 822 | 601 |
| Gauley | 50% | 761 | 613 |
| Genesee | 40% | 1,918 | 470 |
| Ghaggar | 31% | 4,596 | 348 |
| Ghaghara | 32% | 4,170 | 361 |
| Gila | 33% | 3,683 | 377 |
| Gironde | 43% | 1,400 | 518 |
| Glomma | 48% | 944 | 579 |
| Gomti | 40% | 2,009 | 463 |
| Gota alv | 47% | 974 | 574 |
| Grand (Ontario) | 37% | 2,496 | 432 |
| Great Fish | 49% | 791 | 607 |
| Great Miami | 39% | 2,039 | 461 |
| Great Morava | 44% | 1,309 | 528 |
| Great Ouse | 32% | 4,049 | 364 |
| Great Zab | 45% | 1,248 | 535 |
| Green | 36% | 2,922 | 410 |
| Guadalquivir | 29% | 5,266 | 330 |
| Guadalupe | 36% | 2,861 | 413 |
| Guadiana | 42% | 1,583 | 499 |
| Gunnison | 46% | 1,065 | 560 |
| Hackensack | 45% | 1,157 | 547 |
| Hai | 49% | 791 | 607 |
| Han River | 28% | 6,058 | 312 |
| Harlem | 37% | 2,587 | 427 |
| Havel | 41% | 1,766 | 483 |
| Hawkesbury | 42% | 1,583 | 499 |
| Helmand River | 40% | 1,857 | 475 |
| Hiwassee | 48% | 913 | 584 |
| Holston | 47% | 1,035 | 564 |
| Hooghly | 30% | 4,962 | 337 |
| Housatonic | 37% | 2,527 | 430 |
| Huai | 40% | 1,857 | 475 |
| Hull | 44% | 1,278 | 532 |
| Humber | 30% | 5,114 | 333 |
| Humboldt | 40% | 2,009 | 463 |
| Huron | 46% | 1,126 | 551 |
| Ibar | 49% | 822 | 601 |
| Iguacu | 45% | 1,157 | 547 |
| IJssel | 41% | 1,735 | 485 |
| Ili | 43% | 1,431 | 514 |
| Ill | 49% | 822 | 601 |
| Illinois River | 32% | 3,927 | 369 |
| Imjin | 47% | 974 | 574 |
| Indian | 45% | 1,187 | 543 |
| Inn | 35% | 3,196 | 397 |
| Iowa River | 49% | 791 | 607 |
| Irrawaddy | 30% | 4,718 | 344 |
| Irtysh | 35% | 3,166 | 398 |
| Irwell | 42% | 1,583 | 499 |
| Isar | 30% | 4,992 | 337 |
| Isere | 49% | 822 | 601 |
| Isonzo | 36% | 2,679 | 422 |
| Itchen | 45% | 1,248 | 535 |
| James | 31% | 4,353 | 355 |
| Jamuna | 43% | 1,431 | 514 |
| Jefferson | 49% | 822 | 601 |
| Jhelum | 28% | 5,844 | 316 |
| Jinsha | 43% | 1,461 | 511 |
| Jubba | 47% | 1,005 | 569 |
| Juniata | 49% | 852 | 595 |
| Kabul River | 42% | 1,583 | 499 |
| Kagera | 42% | 1,613 | 496 |
| Kama | 46% | 1,065 | 560 |
| Kamo | 44% | 1,309 | 528 |
| Kanawha | 37% | 2,557 | 428 |
| Kankakee | 44% | 1,339 | 524 |
| Kansas | 38% | 2,374 | 439 |
| Kapuas | 46% | 1,065 | 560 |
| Karun | 43% | 1,431 | 514 |
| Kelvin | 49% | 822 | 601 |
| Ken | 47% | 1,005 | 569 |
| Kenai | 45% | 1,248 | 535 |
| Kennebec | 35% | 2,983 | 407 |
| Kennet | 47% | 974 | 574 |
| Kentucky | 43% | 1,492 | 508 |
| Kern | 35% | 3,074 | 402 |
| Khabur | 49% | 852 | 595 |
| Kinabatangan | 46% | 1,065 | 560 |
| Kings | 46% | 1,065 | 560 |
| Kissimmee | 48% | 944 | 579 |
| Kizilirmak | 40% | 1,948 | 468 |
| Klamath | 36% | 2,770 | 417 |
| Klondike | 49% | 791 | 607 |
| Kootenay | 39% | 2,070 | 459 |
| Kosi | 32% | 4,079 | 363 |
| Kuban | 48% | 913 | 584 |
| Kupa | 50% | 761 | 613 |
| Kura | 40% | 1,918 | 470 |
| Kuskokwim | 47% | 974 | 574 |
| Kwai | 44% | 1,309 | 528 |
| Lagan | 45% | 1,218 | 539 |
| Lea | 33% | 3,592 | 381 |
| Lech | 48% | 883 | 590 |
| Lee | 48% | 944 | 579 |
| Lehigh | 45% | 1,248 | 535 |
| Leitha | 44% | 1,339 | 524 |
| Lena | 29% | 5,479 | 324 |
| Liao | 47% | 1,035 | 564 |
| Liard | 48% | 913 | 584 |
| Licking | 47% | 1,035 | 564 |
| Liffey | 32% | 3,988 | 367 |
| Limmat | 42% | 1,613 | 496 |
| Limpopo | 33% | 3,592 | 381 |
| Litani | 37% | 2,435 | 436 |
| Little Bighorn | 40% | 2,009 | 463 |
| Little Colorado | 45% | 1,187 | 543 |
| Little Miami | 48% | 913 | 584 |
| Little Pigeon | 45% | 1,218 | 539 |
| Little Tennessee | 48% | 913 | 584 |
| Ljubljanica | 48% | 913 | 584 |
| Llobregat | 48% | 913 | 584 |
| Lualaba | 42% | 1,522 | 505 |
| Lukuga | 49% | 852 | 595 |
| Lune | 47% | 1,035 | 564 |
| Luni | 38% | 2,405 | 437 |
| Madeira | 41% | 1,735 | 485 |
| Madison | 34% | 3,318 | 392 |
| Magdalena | 36% | 2,709 | 420 |
| Mahanadi | 31% | 4,536 | 349 |
| Mahaweli | 48% | 883 | 590 |
| Mahi | 42% | 1,552 | 502 |
| Main | 30% | 4,749 | 343 |
| Manjira | 46% | 1,096 | 555 |
| Mantaro | 49% | 822 | 601 |
| Manzanares | 40% | 1,918 | 470 |
| Mara | 42% | 1,552 | 502 |
| Maranon | 45% | 1,218 | 539 |
| Marikina | 49% | 791 | 607 |
| Maritsa | 37% | 2,648 | 423 |
| Markarfljot | 48% | 913 | 584 |
| Marne | 41% | 1,796 | 480 |
| Maumee | 40% | 2,009 | 463 |
| McKenzie | 47% | 1,005 | 569 |
| Medway | 36% | 2,709 | 420 |
| Meghna | 37% | 2,466 | 434 |
| Meramec | 46% | 1,096 | 555 |
| Merced | 46% | 1,126 | 551 |
| Merrimack | 36% | 2,770 | 417 |
| Mersey | 30% | 5,114 | 333 |
| Miami | 38% | 2,253 | 447 |
| Milk | 42% | 1,552 | 502 |
| Milwaukee | 48% | 913 | 584 |
| Minnesota | 38% | 2,253 | 447 |
| Mino | 47% | 974 | 574 |
| Mobile | 47% | 974 | 574 |
| Mohawk | 34% | 3,409 | 388 |
| Mojave River | 47% | 1,035 | 564 |
| Mokelumne | 49% | 822 | 601 |
| Mole | 47% | 1,005 | 569 |
| Monongahela | 27% | 6,484 | 303 |
| Morava | 42% | 1,644 | 493 |
| Moselle | 26% | 6,849 | 296 |
| Moskva | 34% | 3,379 | 389 |
| Motlawa | 48% | 883 | 590 |
| Munster Blackwater | 49% | 791 | 607 |
| Mur | 45% | 1,248 | 535 |
| Murat | 48% | 944 | 579 |
| Mures | 46% | 1,065 | 560 |
| Murray | 26% | 6,940 | 294 |
| Murrumbidgee | 41% | 1,766 | 483 |
| Musi (India) | 40% | 2,009 | 463 |
| Muskingum | 46% | 1,065 | 560 |
| Mystic | 31% | 4,627 | 347 |
| Nahanni | 48% | 944 | 579 |
| Nakdong | 46% | 1,065 | 560 |
| Narew | 49% | 852 | 595 |
| Neches | 46% | 1,096 | 555 |
| Neckar | 37% | 2,496 | 432 |
| Negro River | 31% | 4,292 | 357 |
| Neisse | 46% | 1,096 | 555 |
| Nelson River | 38% | 2,374 | 439 |
| Nemunas | 35% | 3,135 | 400 |
| Nene | 39% | 2,131 | 455 |
| Nepean | 49% | 791 | 607 |
| Neretva | 37% | 2,587 | 427 |
| Neris | 49% | 852 | 595 |
| Ness | 43% | 1,492 | 508 |
| Neuse | 39% | 2,070 | 459 |
| Neva | 36% | 2,861 | 413 |
| New | 31% | 4,444 | 352 |
| Newtown Creek | 41% | 1,735 | 485 |
| Niagara | 28% | 6,058 | 312 |
| Niobrara | 49% | 791 | 607 |
| Nolichucky | 48% | 883 | 590 |
| North Canadian | 45% | 1,157 | 547 |
| North Platte | 39% | 2,131 | 455 |
| North Saskatchewan | 37% | 2,648 | 423 |
| Northern Dvina | 43% | 1,492 | 508 |
| Nueces | 34% | 3,470 | 386 |
| Ob | 36% | 2,800 | 416 |
| Ocmulgee | 47% | 1,005 | 569 |
| Ocoee | 46% | 1,126 | 551 |
| Oconee | 47% | 974 | 574 |
| Oder | 27% | 6,332 | 306 |
| Oise | 49% | 852 | 595 |
| Oka | 44% | 1,339 | 524 |
| Okavango | 34% | 3,257 | 394 |
| Oldman | 46% | 1,096 | 555 |
| Olentangy | 50% | 761 | 613 |
| Olt | 48% | 913 | 584 |
| Omo | 46% | 1,126 | 551 |
| Orange River | 31% | 4,383 | 354 |
| Ord | 46% | 1,126 | 551 |
| Orkhon | 48% | 883 | 590 |
| Orontes | 35% | 3,135 | 400 |
| Orwell | 48% | 944 | 579 |
| Osage | 45% | 1,248 | 535 |
| Ottawa River | 32% | 3,988 | 367 |
| Ouachita | 43% | 1,461 | 511 |
| Ouse | 33% | 3,835 | 372 |
| Owens | 41% | 1,674 | 491 |
| Owyhee | 48% | 883 | 590 |
| Padma | 37% | 2,496 | 432 |
| Palar | 42% | 1,583 | 499 |
| Paluxy | 44% | 1,278 | 532 |
| Pamba | 44% | 1,309 | 528 |
| Pampanga | 47% | 1,005 | 569 |
| Panj | 49% | 852 | 595 |
| Paraguay River | 38% | 2,405 | 437 |
| Parana | 29% | 5,571 | 322 |
| Parramatta | 46% | 1,126 | 551 |
| Parrett | 50% | 761 | 613 |
| Pascagoula | 49% | 852 | 595 |
| Pasig | 38% | 2,344 | 441 |
| Passaic | 41% | 1,766 | 483 |
| Patapsco | 41% | 1,735 | 485 |
| Patuxent | 43% | 1,400 | 518 |
| Peace | 42% | 1,613 | 496 |
| Pearl River | 32% | 4,170 | 361 |
| Pecos | 32% | 3,957 | 368 |
| Pedernales | 49% | 791 | 607 |
| Pee Dee | 41% | 1,826 | 478 |
| Pemigewasset | 50% | 761 | 613 |
| Pend Oreille | 47% | 974 | 574 |
| Penna | 38% | 2,374 | 439 |
| Penobscot | 37% | 2,496 | 432 |
| Perfume River | 49% | 791 | 607 |
| Periyar | 38% | 2,283 | 445 |
| Petitcodiac | 48% | 944 | 579 |
| Piave | 43% | 1,461 | 511 |
| Pigeon | 49% | 791 | 607 |
| Piscataqua | 43% | 1,492 | 508 |
| Platte | 30% | 4,931 | 338 |
| Poddle | 48% | 913 | 584 |
| Ponnaiyar | 44% | 1,278 | 532 |
| Powder | 43% | 1,431 | 514 |
| Pripyat | 43% | 1,492 | 508 |
| Prut | 42% | 1,613 | 496 |
| Purgatoire | 49% | 822 | 601 |
| Putah Creek | 48% | 913 | 584 |
| Puyallup | 50% | 761 | 613 |
| Qiantang | 41% | 1,826 | 478 |
| Qu'Appelle | 48% | 944 | 579 |
| Rainy | 50% | 761 | 613 |
| Rajang | 49% | 791 | 607 |
| Rappahannock | 38% | 2,253 | 447 |
| Raritan | 39% | 2,070 | 459 |
| Ravi | 31% | 4,262 | 358 |
| Red Deer | 47% | 974 | 574 |
| Red River of the North | 27% | 6,392 | 305 |
| Republican | 45% | 1,187 | 543 |
| Reuss | 46% | 1,096 | 555 |
| Ribble | 42% | 1,583 | 499 |
| Richelieu | 43% | 1,400 | 518 |
| Rideau | 47% | 1,035 | 564 |
| Rio Tinto | 36% | 2,922 | 410 |
| Rioni | 50% | 761 | 613 |
| River Bann | 46% | 1,126 | 551 |
| River Dee | 38% | 2,344 | 441 |
| River Exe | 44% | 1,278 | 532 |
| River Forth | 40% | 1,918 | 470 |
| River Tweed | 38% | 2,253 | 447 |
| Roanoke | 42% | 1,644 | 493 |
| Rock | 42% | 1,583 | 499 |
| Roe | 42% | 1,583 | 499 |
| Rogue | 38% | 2,222 | 449 |
| Rouge | 46% | 1,096 | 555 |
| Rufiji | 49% | 791 | 607 |
| Ruhr | 43% | 1,431 | 514 |
| Russian | 32% | 4,049 | 364 |
| Saale | 42% | 1,583 | 499 |
| Saar | 47% | 1,035 | 564 |
| Sabarmati | 39% | 2,131 | 455 |
| Sabine | 41% | 1,735 | 485 |
| Saco | 46% | 1,096 | 555 |
| Sacramento | 32% | 4,170 | 361 |
| Saguenay | 45% | 1,248 | 535 |
| Saigon River | 45% | 1,218 | 539 |
| Saint John (New Brunswick) | 37% | 2,527 | 430 |
| Saint Louis | 46% | 1,096 | 555 |
| Sakarya | 44% | 1,278 | 532 |
| Salinas | 44% | 1,309 | 528 |
| Salmon | 34% | 3,379 | 389 |
| Salt | 36% | 2,800 | 416 |
| Salween | 39% | 2,131 | 455 |
| Salzach | 43% | 1,431 | 514 |
| San | 50% | 761 | 613 |
| San Antonio River | 44% | 1,370 | 521 |
| San Gabriel | 44% | 1,339 | 524 |
| San Joaquin | 37% | 2,466 | 434 |
| San Juan | 49% | 852 | 595 |
| San Marcos | 48% | 944 | 579 |
| San Pedro | 50% | 761 | 613 |
| Sangamon | 49% | 852 | 595 |
| Santa Ana | 38% | 2,283 | 445 |
| Santa Clara | 49% | 822 | 601 |
| Santee | 45% | 1,218 | 539 |
| Sao Francisco | 44% | 1,339 | 524 |
| Saone | 36% | 2,709 | 420 |
| Saskatchewan | 38% | 2,253 | 447 |
| Sava | 28% | 5,723 | 319 |
| Savannah | 34% | 3,257 | 394 |
| Scamander (Karamenderes) | 39% | 2,100 | 457 |
| Scheldt | 31% | 4,292 | 357 |
| Schuylkill | 26% | 7,245 | 289 |
| Scioto | 38% | 2,374 | 439 |
| Selenga | 48% | 944 | 579 |
| Senegal River | 37% | 2,496 | 432 |
| Senne | 48% | 883 | 590 |
| Sepik | 47% | 1,035 | 564 |
| Seversky Donets | 44% | 1,278 | 532 |
| Shannon | 29% | 5,327 | 328 |
| Shatt al-Arab | 28% | 5,753 | 318 |
| Shebelle | 47% | 1,035 | 564 |
| Shenandoah | 30% | 5,023 | 336 |
| Shinano | 44% | 1,309 | 528 |
| Skagit | 46% | 1,096 | 555 |
| Skeena | 47% | 974 | 574 |
| Slave | 45% | 1,248 | 535 |
| Snowy | 46% | 1,096 | 555 |
| Soar | 48% | 944 | 579 |
| Solimoes | 48% | 944 | 579 |
| Somme | 36% | 2,679 | 422 |
| Son | 36% | 2,679 | 422 |
| Songhua | 42% | 1,552 | 502 |
| South Platte | 37% | 2,587 | 427 |
| South Saskatchewan | 43% | 1,461 | 511 |
| Southern Bug | 40% | 1,979 | 466 |
| Spey | 41% | 1,826 | 478 |
| Spokane | 45% | 1,218 | 539 |
| Spree | 30% | 5,053 | 335 |
| St. Clair | 30% | 5,023 | 336 |
| St. Croix | 37% | 2,557 | 428 |
| St. Johns | 30% | 4,962 | 337 |
| St. Joseph | 41% | 1,674 | 491 |
| St. Marys | 39% | 2,100 | 457 |
| Stanislaus | 49% | 852 | 595 |
| Stikine | 47% | 1,035 | 564 |
| Stour (Kent) | 48% | 944 | 579 |
| Struma | 40% | 1,857 | 475 |
| Subarnarekha | 38% | 2,405 | 437 |
| Sumida | 43% | 1,431 | 514 |
| Sutlej | 26% | 6,849 | 296 |
| Suwannee | 35% | 2,953 | 408 |
| Swan River | 38% | 2,253 | 447 |
| Swat | 43% | 1,431 | 514 |
| Syr Darya | 29% | 5,144 | 333 |
| Taedong | 42% | 1,552 | 502 |
| Taff | 48% | 883 | 590 |
| Tagliamento | 45% | 1,157 | 547 |
| Tallahatchie | 38% | 2,344 | 441 |
| Tama | 49% | 791 | 607 |
| Tamar | 38% | 2,344 | 441 |
| Tame | 46% | 1,065 | 560 |
| Tana River (Kenya) | 45% | 1,157 | 547 |
| Tanana | 48% | 913 | 584 |
| Tapti | 31% | 4,383 | 354 |
| Tar | 49% | 822 | 601 |
| Tara | 48% | 883 | 590 |
| Tarim River | 46% | 1,126 | 551 |
| Tarn | 50% | 761 | 613 |
| Tay | 34% | 3,257 | 394 |
| Tees | 38% | 2,313 | 443 |
| Teesta | 35% | 3,196 | 397 |
| Teklanika | 49% | 822 | 601 |
| Teme | 49% | 852 | 595 |
| Terek | 47% | 974 | 574 |
| Test | 41% | 1,766 | 483 |
| Thompson | 48% | 944 | 579 |
| Ticino | 44% | 1,278 | 532 |
| Tijuana River | 46% | 1,065 | 560 |
| Tippecanoe | 49% | 822 | 601 |
| Tisza | 28% | 5,692 | 320 |
| Tocantins | 48% | 913 | 584 |
| Todd | 48% | 944 | 579 |
| Tombigbee | 42% | 1,583 | 499 |
| Torne alv | 49% | 852 | 595 |
| Torrens | 48% | 944 | 579 |
| Trent | 27% | 6,605 | 301 |
| Trinity | 31% | 4,292 | 357 |
| Truckee | 35% | 3,196 | 397 |
| Tug Fork | 45% | 1,187 | 543 |
| Tugela | 49% | 791 | 607 |
| Tumen | 33% | 3,653 | 379 |
| Tungabhadra | 30% | 4,931 | 338 |
| Tuolumne | 48% | 913 | 584 |
| Turia | 44% | 1,278 | 532 |
| Tuul | 45% | 1,248 | 535 |
| Two Hearted | 47% | 1,005 | 569 |
| Tyne | 32% | 3,896 | 370 |
| Ubangi | 41% | 1,674 | 491 |
| Ucayali | 45% | 1,248 | 535 |
| Umpqua | 49% | 822 | 601 |
| Una | 44% | 1,278 | 532 |
| Ural River | 31% | 4,262 | 358 |
| Ure | 44% | 1,309 | 528 |
| Urubamba | 45% | 1,218 | 539 |
| Uruguay River | 41% | 1,826 | 478 |
| Usk | 46% | 1,096 | 555 |
| Ussuri | 45% | 1,248 | 535 |
| Usumacinta | 47% | 974 | 574 |
| Vaal | 40% | 1,979 | 466 |
| Vaigai | 43% | 1,461 | 511 |
| Vardar | 38% | 2,283 | 445 |
| Verde | 48% | 944 | 579 |
| Verdigris | 48% | 913 | 584 |
| Virgin | 35% | 3,074 | 402 |
| Vjosa | 44% | 1,370 | 521 |
| Volta River | 37% | 2,496 | 432 |
| Waal | 41% | 1,826 | 478 |
| Wabash | 29% | 5,297 | 329 |
| Waikato River | 43% | 1,400 | 518 |
| Wainganga | 45% | 1,248 | 535 |
| Waitaki | 41% | 1,826 | 478 |
| Wandle | 47% | 1,035 | 564 |
| Warta | 45% | 1,157 | 547 |
| Warwickshire Avon | 34% | 3,501 | 384 |
| Water of Leith | 43% | 1,492 | 508 |
| Wear | 43% | 1,492 | 508 |
| Wei | 44% | 1,370 | 521 |
| Welland | 48% | 883 | 590 |
| Wensum | 46% | 1,065 | 560 |
| Weser | 37% | 2,527 | 430 |
| West Branch Susquehanna | 49% | 791 | 607 |
| Wey | 44% | 1,309 | 528 |
| Whanganui | 48% | 944 | 579 |
| Wharfe | 28% | 6,027 | 312 |
| White | 38% | 2,313 | 443 |
| White Nile | 26% | 7,062 | 292 |
| Willamette | 31% | 4,536 | 349 |
| Wind | 48% | 883 | 590 |
| Windrush | 47% | 1,035 | 564 |
| Wisconsin River | 37% | 2,557 | 428 |
| Witham | 47% | 974 | 574 |
| Withlacoochee | 46% | 1,096 | 555 |
| Wolf | 38% | 2,405 | 437 |
| Wounded Knee Creek | 46% | 1,126 | 551 |
| Wye | 32% | 3,988 | 367 |
| Xi | 50% | 761 | 613 |
| Xiang | 48% | 944 | 579 |
| Xingu | 40% | 1,857 | 475 |
| Yadkin | 47% | 1,035 | 564 |
| Yakima | 47% | 974 | 574 |
| Yalu | 29% | 5,327 | 328 |
| Yare | 49% | 791 | 607 |
| Yarlung Tsangpo | 30% | 4,779 | 342 |
| Yarra River | 37% | 2,587 | 427 |
| Yazoo | 43% | 1,400 | 518 |
| Yellow Medicine | 47% | 1,005 | 569 |
| Yellowstone | 31% | 4,536 | 349 |
| Yenisei | 31% | 4,566 | 348 |
| Youghiogheny | 38% | 2,405 | 437 |
| Yser | 47% | 974 | 574 |
| Yuba | 45% | 1,187 | 543 |
| Yukon | 25% | 7,549 | 284 |
| Zarqa | 48% | 883 | 590 |