Wormillion › Places › Rivers › South America

Rivers in South America, ranked by obscurity

Every river in South America that Wormillion knows, and how obscure each one is. 550 rivers.

Rarest here: Macaco Branco River (100%). Most famous: Amazon River (0%).

Place	Obscurity	Views / month	Points
Abacaxis River	66%	41	691
Abaeté River	68%	39	708
Abaucán	64%	43	678
Abuna River	53%	64	578
Acará River	77%	29	790
Acaraú River	75%	31	777
Acaray River	69%	37	725
Achibueno River	91%	17	922
Aconcagua River	21%	276	292
Acre River	13%	545	213
Agrio River	72%	34	749
Aguarico River	41%	104	471
Aguaytía River	73%	33	758
Ajajú River	96%	13	962
Altamachi River	97%	12	970
Aluminé River	75%	31	777
Amacuro River	57%	54	617
Amazon River	0%	33,844	101
Anajás River	72%	34	749
Anapu River	77%	29	790
Anchicayá River	71%	35	740
Andalien River	63%	45	666
Antoninha River	99%	8	995
Apa River	26%	217	332
Apaporís river	39%	112	454
Aponwao River	98%	11	978
Apure River	34%	140	409
Apurímac River	5%	1,502	143
Aquidabán River	69%	37	725
Aquidauana river	74%	32	767
Aquio River	99%	9	991
Aragua River	72%	34	749
Araguaia River	11%	610	203
Araguari River (Amapá)	32%	154	392
Arapey Chico River	98%	11	978
Arapey Grande River	86%	21	875
Arauca River	40%	108	462
Ariari River	47%	82	521
Arinos River	68%	38	716
Ariporo River	89%	19	897
Aripuanã River	25%	229	323
Arque River	91%	17	922
Arrecifes River	89%	19	897
Arroyo de la India Muerta	98%	10	986
Arroyo Solís Chico	98%	11	978
Atabapo River	48%	79	530
Atibaia River	96%	13	962
Atrato River	9%	814	181
Atuel River	38%	119	442
Aysén River	75%	31	777
Baker River (Chile)	26%	213	335
Banabuiú River	98%	11	978
Baudó River	66%	41	691
Beni River	16%	388	247
Berbice River	23%	254	304
Bermejo	23%	254	304
Bío Bío River	15%	416	239
Bodoquero River	98%	10	986
Bogotá River	24%	240	313
Branco River	21%	280	290
Breu River	93%	16	934
Bueno River	44%	94	493
Bureo River	96%	13	962
Cachapoal River	64%	44	672
Caeté River (Acre)	97%	12	970
Caeté River (Pará)	70%	36	733
Caguán River	75%	31	777
Cahuinari River	75%	31	777
Caí River	74%	32	767
Caine River	58%	53	622
Calçoene River	80%	26	817
Cali River	64%	43	678
Calle-Calle River	27%	202	343
Camacho River	97%	12	970
Camanducaia River	99%	9	991
Camaquã River	81%	25	827
Camaragibe River	99%	9	991
Camarones River	74%	32	767
Canhoto River	99%	9	991
Canindé River (Piauí)	74%	32	767
Caño Cristales	3%	2,369	127
Canoas River (Santa Catarina)	68%	39	708
Capanaparo River	75%	31	777
Capibaribe River	28%	189	354
Cara Paraná River	87%	20	885
Caraguatá River	91%	17	922
Caraparí River	90%	18	909
Carapo River	99%	9	991
Carcarañá River	40%	111	457
Carinhanha River	89%	19	897
Caroní River	17%	367	253
Carrao River	46%	83	518
Casanare River	83%	23	851
Casiquiare canal	5%	1,519	143
Catatumbo River	11%	644	199
Cauca River	11%	651	197
Caura River (Venezuela)	39%	112	454
Cautín River	66%	41	691
Cebollatí River	68%	38	716
Ceibas River	96%	13	962
Cesar River	50%	71	554
Chama River (Venezuela)	63%	45	666
Chandless River	86%	21	875
Chapare River	62%	46	661
Chapecó River	79%	27	807
Chicamocha River	57%	54	617
Chico River (Upper Chubut)	91%	17	922
Chimehuin River	68%	38	716
Chimoré River	87%	20	885
Chinchipe River	42%	99	481
Chira River	46%	83	518
Choapa River	30%	169	374
Cholchol River	97%	12	970
Chubut River	13%	531	215
Churún River	26%	211	336
Cinaruco River	59%	51	632
Cisnes River	67%	40	699
Claro River (Paranaíba River tributary)	91%	17	922
Coca River	21%	282	289
Coello River	86%	21	875
Coig River	80%	26	817
Collón Curá River	68%	38	716
Colorado River (Argentina)	14%	456	229
Copiapó River	41%	105	469
Coppename River	19%	317	273
Coroico River	69%	37	725
Corriente River	66%	41	691
Corumbá River	46%	84	515
Cosapilla River	94%	15	945
Cotacajes River	90%	18	909
Cotagaita River	99%	9	991
Cotinguiba River	95%	14	954
Cottica River	62%	47	655
Cotuhé River	91%	17	922
Courantyne River	19%	321	272
Crixás Açu River	96%	13	962
Cruz del Eje River	98%	11	978
Cuarto River	68%	38	716
Cuchivero River	85%	22	863
Cuiabá River	33%	146	401
Cuieiras River (Demini River tributary)	97%	12	970
Cuja River	89%	19	897
Cunani River	95%	14	954
Curaray River	25%	225	326
Curuá River (Iriri River tributary)	77%	29	790
Cusiana River	95%	14	954
Cuyuni River	31%	168	375
Dagua River	78%	28	799
Das Balsas River (Maranhão)	97%	12	970
Das Velhas River	67%	40	699
Daymán River	89%	19	897
Demerara River	14%	494	222
Desaguadero River (Argentina)	26%	216	333
Deseado River	35%	136	415
Diamante River	54%	62	586
Do Carmo River (Minas Gerais)	99%	8	995
Do Coco River (Araguaia River tributary)	85%	22	863
Doce River	23%	251	305
Dulce River (Argentina)	36%	131	424
Elqui River	41%	106	466
Elvas River	99%	9	991
Ene River	26%	215	334
Envira River	79%	27	807
Erebato River	91%	17	922
Esmeraldas River	47%	81	524
Espíritu Santo River	78%	28	799
Essequibo River	5%	1,495	144
Futa River	59%	51	632
Futaleufú River	19%	327	270
Gallegos River	46%	86	510
Gonini River	81%	25	827
Grajaú River (Acre)	99%	8	995
Grande River (Bolivia)	30%	174	369
Grande River (Jujuy)	86%	21	875
Grande River (Mendoza)	61%	48	649
Grande River (Paraná River tributary)	30%	170	373
Grande River (Uruguay) (Uruguay)	91%	17	922
Gravataí River	83%	23	851
Gregório River (Amazonas)	78%	28	799
Guaíba (water body)	38%	121	439
Guáitara River	46%	84	515
Gualaxo do Sul River	100%	7	997
Gualeguay River	71%	35	740
Gualeguaychú River	69%	37	725
Guamá River	44%	93	496
Guamués River	93%	16	934
Guaporé River	21%	278	291
Guárico River	76%	30	784
Guatapurí River	64%	44	672
Guatiquía River	82%	24	839
Guaviare River	24%	239	314
Guayas River	17%	367	253
Guayllabamba River	57%	54	617
Guayquiraró River	91%	17	922
Gurupí River	57%	54	617
Heath River	35%	138	412
Horcones	78%	28	799
Huallaga River	11%	632	200
Huasco River	52%	67	567
Iaco River	89%	19	897
Ibare River	86%	21	875
Ibicuí River	60%	49	644
Ibirapuitã River	98%	11	978
Içana River	56%	57	603
Ichilo River	75%	31	777
Igara Paraná River	72%	34	749
Iguazu River	6%	1,148	158
Ikabaru River	93%	16	934
Imperial River (Chile)	54%	63	582
Inambari River	56%	57	603
Indaiá River	94%	15	945
Inírida River	37%	125	433
Ipanema River	94%	15	945
Ipiranga River (Pará)	89%	19	897
Ipojuca River	96%	13	962
Irani River	99%	9	991
Iriri River	27%	204	341
Iruya River	96%	13	962
Isiboro River	91%	17	922
Isluga River	82%	24	839
Itacaiúnas River	81%	25	827
Itajaí-Açu river	53%	65	574
Itapecuru River	64%	44	672
Itapicuru River	76%	30	784
Itata River	28%	194	350
Itaú River	99%	8	995
Itaya River	54%	63	582
Itonomas River	75%	31	777
Ivaí River	66%	41	691
Jacuí River	42%	99	481
Jacuizinho River	100%	7	997
Jacundá River (Pará)	97%	12	970
Jaguarão River	52%	67	567
Jaguaribe River	54%	62	586
Jamanxim River	65%	42	684
Jamari River	56%	56	608
Japurá River	12%	588	207
Jari River	40%	111	457
Jauaperi River	73%	33	758
Javary River	30%	173	370
Jejuí Guazú River	85%	22	863
Jequitinhonha River	38%	122	438
Jorquera River	98%	10	986
Juruá River	16%	396	244
Juruena River	42%	102	475
Jutai River	50%	72	550
Kaka River	77%	29	790
Kukenán River	90%	18	909
La Miel River	74%	32	767
La Vieja River	70%	36	733
Laja River (Chile)	68%	38	716
Laq'a Jawira	82%	24	839
Lauca River	41%	107	465
Lebrija River	60%	49	644
Limarí River	64%	43	678
Limay River	26%	212	336
Lluta River	45%	88	505
Loa River	16%	409	241
Loncomilla River	99%	8	995
Luján River	36%	130	425
Macaco Branco River	100%	4	1,000
Macaé River	57%	54	617
Madeira River	4%	1,658	140
Madidi River	35%	138	412
Madre de Dios River	10%	698	191
Magdalena River	3%	2,740	123
Maipo River	28%	195	349
Mamoré River	20%	297	280
Manduvirá River	86%	21	875
Manflas River	81%	25	827
Manso River (Minas Gerais)	98%	10	986
Mantaro River	9%	819	181
Manú River	46%	86	510
Manuripi River	68%	38	716
Mapocho River	15%	448	232
Maranhão River	64%	44	672
Marañón River	6%	1,268	152
Mariara River	99%	9	991
Maroni	20%	309	276
Márquez River	98%	10	986
Marupi River	99%	9	991
Matanza River	20%	300	279
Mataquito River	74%	32	767
Maule River	25%	230	322
Maullín River	75%	31	777
Mazaruni River	32%	154	392
Mearim River	36%	131	424
Mecaya River	100%	7	997
Medellín River	34%	145	403
Meia Ponte River	54%	61	590
Mendihuaca River	73%	33	758
Meta River	25%	229	323
Mira River (Ecuador and Colombia)	59%	51	632
Miranda River	64%	44	672
Miriñay River	93%	16	934
Miritiparaná River	94%	15	945
Mizque River	97%	12	970
Mocoretá River	89%	19	897
Mojotoro River	90%	18	909
Moju River (Acará)	93%	16	934
Monday River	70%	36	733
Morona River	74%	32	767
Moxotó River	83%	23	851
Mucuri River	86%	21	875
Mundaú River	80%	26	817
Muriaé River	96%	13	962
Nanay River	29%	178	365
Napo River	10%	739	187
Naya River	64%	44	672
Nechí River	64%	43	678
Negro River (Chaco Province)	54%	61	590
Negro River (Paraguay)	97%	12	970
Negro River (Paraná)	77%	29	790
Neuquén River	39%	116	447
Nhamundá River	48%	79	530
Nickerie River	64%	43	678
Nuevo Guadalquivir River (Bolivia)	73%	33	758
Ocamo River	93%	16	934
Oelemari River	89%	19	897
Olimar Chico River	98%	10	986
Olimar Grande River	80%	26	817
Orinoco River	1%	9,551	106
Orteguaza River	72%	34	749
Orthon River	79%	27	807
Otún River	45%	88	505
Oyapock	19%	325	270
Pachitea River	28%	192	352
Pacoti River	96%	13	962
Pajeú River	81%	25	827
Palcazu River	81%	25	827
Palena River	59%	51	632
Paloemeu River	89%	19	897
Pamplonita River	68%	38	716
Pance River	55%	59	596
Pará River	17%	377	250
Pará River (Minas Gerais)	94%	15	945
Paragua River	56%	56	608
Paraguá River	99%	9	991
Paraguaçu River	43%	96	488
Paraguay River	3%	2,144	131
Paraíba do Meio River	89%	19	897
Paraíba do Norte River	50%	72	550
Paraíba do Sul River	24%	232	320
Paraibuna River (São Paulo)	33%	148	399
Paraná River	1%	4,999	113
Paranã River (Tocantins River tributary)	79%	27	807
Paranaíba River	20%	291	284
Paranapanema River	43%	96	488
Paraopeba River	72%	34	749
Parapetí River	54%	61	590
Pardinho River	100%	6	999
Pardo River (Bahia)	90%	18	909
Pardo River (Mato Grosso do Sul)	68%	39	708
Pardo River (Rio Grande do Sul)	98%	11	978
Parguaza River	86%	21	875
Parnaíba River	29%	180	363
Paru River	55%	59	596
Pascua River	43%	97	485
Pastaza River	28%	196	349
Patía River	44%	92	498
Pelotas River	45%	87	508
Pelque River	94%	15	945
Perené River	51%	69	561
Piabanha River	89%	19	897
Piauí River (Piauí)	97%	12	970
Pilcomayo River	13%	502	220
Pindaré River	67%	40	699
Pinturas River	49%	75	541
Piquiri River (Paraná)	62%	47	655
Piracicaba River (Minas Gerais)	58%	52	626
Piracicaba River (São Paulo)	60%	49	644
Piraí River (Paraná)	98%	11	978
Piranhas River	48%	77	536
Pirapama River	98%	11	978
Pirapetinga River	100%	6	999
Piratini River (São Gonçalo Channel)	80%	26	817
Piray River (Bolivia)	56%	57	603
Piura River	51%	69	561
Pomba River	70%	36	733
Porongos River	91%	17	922
Portuguesa River	48%	78	533
Potaro River	25%	230	322
Potengi River	37%	125	433
Poti River	79%	27	807
Preguiças River	56%	57	603
Primero River	40%	108	462
Puelo River	59%	51	632
Pulido River	100%	7	997
Purus River	12%	567	210
Putumayo River	12%	570	209
Quebrada Limas	98%	10	986
Queguay Grande River	79%	27	807
Quepe River	95%	14	954
Quequén Grande River	73%	33	758
Quindío River	77%	29	790
Quinto River	54%	61	590
Quiquibey River	98%	11	978
Rahue River	82%	24	839
Ranchería River	47%	81	524
Rapel River	74%	32	767
Reconquista River	56%	58	600
Renaico River	94%	15	945
Ribeira de Iguape River	45%	87	508
Rio Chico (Santa Cruz) (Santa Cruz)	76%	30	784
Río Cuareim	43%	98	483
Rio das Mortes	48%	78	533
Rio das Mortes (Minas Gerais)	83%	23	851
Río de la Plata	0%	18,581	103
Rio dos Sinos	82%	24	839
Río Grande de Lipez	97%	12	970
Río Grande de San Juan	67%	40	699
Río Grande de Tarija	87%	20	885
Río Grande de Tierra del Fuego (Tierra del Fuego)	43%	95	490
Río Manso (Argentina and Chile)	56%	56	608
Río Mayer	85%	22	863
Rio Mendoza	45%	89	503
Rio Negro (Amazon)	2%	4,076	116
Río Negro (Argentina)	12%	569	210
Río Negro (Uruguay)	24%	240	313
Río Queguay Chico	99%	9	991
Río San Juan de la Posesión (Chile)	48%	78	533
Río Santa Lucía Chico	98%	10	986
Rocha River	66%	41	691
Roosevelt River	4%	1,978	133
Rosario River (Uruguay)	93%	16	934
Rupununi River	17%	380	249
Sabaya River	98%	11	978
Sacta River	98%	10	986
Sajama River	96%	13	962
Saladillo Stream	73%	33	758
Salado River (Argentina)	22%	272	294
Salado River (Buenos Aires)	28%	188	355
Salado River (Loa) (Antofagasta)	77%	29	790
Saldaña River	95%	14	954
Samborombón	87%	20	885
San Francisco River (Argentina)	89%	19	897
San Javier River (Santa Fe)	95%	14	954
San Jorge River	56%	56	608
San José River (Uruguay)	98%	11	978
San Juan River (Argentina)	48%	77	536
San Juan River (Colombia)	30%	175	368
San Juan River (Uruguay)	85%	22	863
San Luis River	96%	13	962
San Matéo River	93%	16	934
San Miguel River (Colombia)	74%	32	767
San Pedro de Inacaliri River	77%	29	790
San Pedro River (Bolivia)	79%	27	807
San Pedro River (Calle-Calle) (Chile)	71%	35	740
San Salvador River (Chile)	93%	16	934
San Salvador River (Uruguay)	94%	15	945
Santa Cruz River (Argentina)	17%	355	257
Santa Lucía River	53%	65	574
Santa Lucía River (Argentina)	91%	17	922
Santa River	28%	191	353
Santo Antônio River (Bahia)	98%	11	978
São Bartolomeu River	85%	22	863
São Francisco River	5%	1,376	148
São José River (Espírito Santo)	100%	5	1,000
Sara Creek	85%	22	863
Saramacca River	41%	103	473
Sardinata River	95%	14	954
Sauce Chico River	95%	14	954
Sécure River	83%	23	851
Segundo River	77%	29	790
Senguerr River	70%	36	733
Sergipe River	86%	21	875
Serrano River	18%	338	265
Silala	51%	69	561
Sinú River	29%	186	357
Soacha River	73%	33	758
Sogamoso River	64%	43	678
Solimões	8%	929	173
Solís Grande Creek	95%	14	954
Suapure River	80%	26	817
Suárez River	45%	87	508
Sumapaz River	62%	47	655
Suriname River	16%	400	243
Surutú River	96%	13	962
Táchira River	59%	51	632
Tacuarembó River	82%	24	839
Tacuarí River	85%	22	863
Tahuamanu River	72%	34	749
Tamapaya River	100%	6	999
Tambo River (Peru)	25%	224	326
Tambopata River	30%	175	368
Tamitatoale River	99%	9	991
Tapajós River	11%	653	197
Tapanahony River	54%	62	586
Tapauá River	57%	54	617
Tapiche River	78%	28	799
Taquari River	52%	66	570
Taquari River (Rio Grande do Sul)	68%	38	716
Taraíra River	64%	43	678
Tarauacá River	71%	35	740
Tebicuary River	64%	43	678
Tefé River	41%	104	471
Teles Pires River	34%	141	408
Tercero River	53%	64	578
Teusacá River	60%	49	644
Tibagi River	68%	39	708
Tietê River	12%	598	205
Tigre River	30%	172	371
Timbó River	98%	10	986
Tinguiririca River	63%	45	666
Tiquié River	71%	35	740
Tiwanaku River	94%	15	945
Tocantins River	9%	859	178
Tocuyo River	75%	31	777
Toltén River	32%	155	391
Tomo River	74%	32	767
Torbes River	87%	20	885
Traiguén River	95%	14	954
Trombetas River	40%	109	460
Tubarão River	86%	21	875
Tuichi River	12%	573	209
Tumbes River	55%	59	596
Tumusla River	83%	23	851
Tunjuelo River	64%	43	678
Tunuyán River	60%	50	638
Turiaçu River	98%	10	986
Turvo River (Rio Grande do Sul)	98%	10	986
Ubaté River	89%	19	897
Ucayali River	6%	1,231	154
Una River (Pernambuco)	86%	21	875
Una River (Valença, Bahia)	98%	10	986
Uribante River	90%	18	909
Urubamba River	6%	1,233	154
Uruguay River	5%	1,631	141
Utcubamba River	54%	63	582
Vacacaí River	97%	12	970
Valdivia River	8%	963	170
Vaupés River	27%	207	339
Vaza-Barris River	60%	50	638
Ventuari River	58%	53	622
Verde River (Bahia)	97%	12	970
Verde River (Teles Pires tributary)	94%	15	945
Vermelho River (Araguaia River tributary)	95%	14	954
Vichada River	65%	42	684
Vita River	80%	26	817
Xapuri River	87%	20	885
Xingu River	4%	1,786	137
Yacuma River	62%	46	661
Yapacaní River	50%	71	554
Yarí River	12%	588	207
Yata River	77%	29	790
Yí River	60%	50	638
Ypané River	93%	16	934
yuca guasi (Bolivia and Peru)	27%	203	342
Yuruarí River	69%	37	725
Zulia River	62%	47	655

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