| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4551  | Quebrada Cunocapac Quebrada Cunocapac | Ecuador, Azuay | stream | S 3° 29′ 2'' | W 79° 7′ 3'' |
| 4552 | Quebrada Cullo Pugro Quebrada Cullo Pugro | Ecuador, Loja | stream | S 3° 34′ 53'' | W 79° 13′ 59'' |
| 4553 | Quebrada Cubilán Quebrada Cubilan,Quebrada Cubilán | Ecuador, Loja | stream | S 3° 35′ 18'' | W 79° 11′ 21'' |
| 4554 | Quebrada Corraleja Quebrada Corraleja | Ecuador, Azuay | stream | S 3° 23′ 4'' | W 79° 14′ 51'' |
| 4555 | Quebrada Corral Viejo Quebrada Corral Viejo | Ecuador, Loja | stream | S 3° 31′ 4'' | W 79° 8′ 56'' |
| 4556 | Quebrada Chorro Blanco Quebrada Chorro Blanco | Ecuador, Azuay | stream | S 3° 33′ 12'' | W 79° 8′ 7'' |
| 4557 | Quebrada Chinipamba Quebrada Chinipamba | Ecuador, Loja | stream | S 3° 32′ 29'' | W 79° 14′ 7'' |
| 4558 | Quebrada Agua Negra Quebrada Agua Negra | Ecuador, Loja | stream | S 3° 32′ 31'' | W 79° 14′ 10'' |
| 4559 | Quebrada Chinche Potrero Quebrada Chinche Potrero | Ecuador, Azuay | stream | S 3° 30′ 52'' | W 79° 6′ 54'' |
| 4560 | Quebrada Chinche Potrero Quebrada Chinche Potrero | Ecuador, Azuay | stream | S 3° 29′ 56'' | W 79° 7′ 9'' |
| 4561 | Quebrada Chandel Quebrada Chandel | Ecuador, Loja | stream | S 3° 31′ 21'' | W 79° 18′ 56'' |
| 4562 | Quebrada Azafrán Quebrada Azafran,Quebrada Azafrán | Ecuador, Loja | stream | S 3° 31′ 22'' | W 79° 19′ 48'' |
| 4563 | Quebrada Caulacata Quebrada Caulacata | Ecuador, Azuay | stream | S 3° 25′ 4'' | W 79° 14′ 51'' |
| 4564 | Quebrada Canseco Quebrada Canseco | Ecuador, Azuay | stream | S 3° 24′ 49'' | W 79° 7′ 10'' |
| 4565 | Quebrada Cañaro Quebrada Canaro,Quebrada Cañaro | Ecuador, Azuay | stream | S 3° 28′ 56'' | W 79° 7′ 20'' |
| 4566 | Quebrada Canalhuaycue Quebrada Canalhuaycue | Ecuador, Azuay | intermittent stream | S 3° 26′ 33'' | W 79° 17′ 44'' |
| 4567 | Quebrada Apuguín Quebrada Apuguin,Quebrada Apuguín | Ecuador, Loja | stream | S 3° 30′ 45'' | W 79° 9′ 11'' |
| 4568 | Quebrada Agritunas Quebrada Agritunas | Ecuador, Azuay | stream | S 3° 25′ 39'' | W 79° 7′ 4'' |
| 4569 | Laguna Cocha Larga Laguna Cocha Larga | Ecuador, Loja | pond | S 3° 29′ 45'' | W 79° 16′ 6'' |
| 4570 | Laguna Sharihuiña Laguna Sharihuina,Laguna Sharihuiña | Ecuador, Loja | pond | S 3° 34′ 38'' | W 79° 11′ 32'' |
| 4571 | Río Naranjo Rio Naranjo,Río Naranjo | Ecuador, Loja | stream | S 3° 28′ 49'' | W 79° 16′ 37'' |
| 4572 | Laguna Penco Penco Laguna Penco Penco | Ecuador, Loja | pond | S 3° 24′ 10'' | W 79° 19′ 55'' |
| 4573 | Quebrada Rumipamba Quebrada Rumipamba | Ecuador, Chimborazo Province | stream | S 1° 45′ 47'' | W 78° 55′ 24'' |
| 4574 | Estero Taseche Estero Taseche | Ecuador, Esmeraldas | stream | N 0° 52′ 16'' | W 79° 49′ 19'' |
| 4575 | Estero Tonsupa Estero Tonsupa | Ecuador, Esmeraldas | stream | N 0° 53′ 25'' | W 79° 48′ 52'' |
| 4576 | Estero Tigre Estero Tigre | Ecuador, Esmeraldas | intermittent stream | N 0° 52′ 10'' | W 79° 48′ 43'' |
| 4577 | Estero Tasechito Estero Tasechito | Ecuador, Esmeraldas | intermittent stream | N 0° 50′ 28'' | W 79° 47′ 10'' |
| 4578 | Estero San Pedro Estero San Pedro | Ecuador, Esmeraldas | intermittent stream | N 0° 50′ 3'' | W 79° 45′ 41'' |
| 4579 | Estero Same Estero Same | Ecuador, Esmeraldas | stream | N 0° 51′ 12'' | W 79° 55′ 8'' |
| 4580 | Estero Rampiral Estero Rampiral | Ecuador, Esmeraldas | stream | N 0° 50′ 47'' | W 79° 55′ 30'' |
| 4581 | Estero Salima Estero Salima | Ecuador, Esmeraldas | stream | N 0° 51′ 23'' | W 79° 50′ 25'' |
| 4582 | La Bocana de Atacames La Bocana de Atacames | Ecuador, Esmeraldas | stream mouth(s) | N 0° 52′ 46'' | W 79° 50′ 13'' |
| 4583 | Ensenada de Don Juan Ensenada de Don Juan | Ecuador, Esmeraldas | cove(s) | N 0° 51′ 22'' | W 79° 54′ 31'' |
| 4584 | Estero Chévele Estero Chevele,Estero Chévele | Ecuador, Esmeraldas | intermittent stream | N 0° 56′ 8'' | W 79° 46′ 9'' |
| 4585 | Estero Batioja Estero Batioja | Ecuador, Esmeraldas | intermittent stream | N 0° 50′ 29'' | W 79° 47′ 8'' |
| 4586 | Estero Agua Fría Estero Agua Fria,Estero Agua Fría | Ecuador, Esmeraldas | intermittent stream | N 0° 52′ 18'' | W 79° 46′ 25'' |
| 4587 | Laguna Lorocachicocha Laguna Lorocachicocha | Ecuador, Pastaza Province | oxbow lake | S 2° 0′ 50'' | W 76° 25′ 47'' |
| 4588 | Laguna Galogalo Cocha Laguna Galogalo Cocha | Ecuador, Pastaza Province | oxbow lake | S 2° 0′ 25'' | W 76° 28′ 33'' |
| 4589 | Laguna Lagartococha Laguna Lagartococha | Ecuador, Pastaza Province | oxbow lake | S 2° 2′ 59'' | W 76° 24′ 10'' |
| 4590 | Laguna Santa Rosa Laguna Santa Rosa | Ecuador, Pastaza Province | oxbow lake | S 2° 4′ 2'' | W 76° 19′ 20'' |
| 4591 | Laguna Shuacocha Laguna Shuacocha | Ecuador, Pastaza Province | oxbow lake | S 2° 1′ 5'' | W 76° 25′ 6'' |
| 4592 | Laguna Shacaritacocha Laguna Shacaritacocha | Ecuador, Pastaza Province | oxbow lake | S 2° 4′ 35'' | W 76° 17′ 4'' |
| 4593 | Quebrada Tarputuyacu Quebrada Tarputuyacu | Ecuador, Pastaza Province | intermittent stream | S 2° 3′ 2'' | W 76° 22′ 59'' |
| 4594 | Quebrada Tarputuyacu Quebrada Tarputuyacu | Ecuador, Pastaza Province | intermittent stream | S 2° 2′ 40'' | W 76° 24′ 23'' |
| 4595 | Río Shuintzayacu Rio Shuintzayacu,Río Shuintzayacu | Ecuador, Pastaza Province | stream | S 2° 1′ 12'' | W 76° 27′ 50'' |
| 4596 | Río Balsaura Rio Balsaura,Río Balsaura | Ecuador, Pastaza Province | stream | S 2° 0′ 14'' | W 76° 26′ 47'' |
| 4597 | Quebrada Rumiyacu Quebrada Rumiyacu | Ecuador, Pastaza Province | stream | S 2° 0′ 15'' | W 76° 26′ 11'' |
| 4598 | Río Pillahua Rio Pillahua,Río Pillahua | Ecuador, Pastaza Province | stream | S 2° 1′ 18'' | W 76° 25′ 11'' |
| 4599 | Río Lagartoyacu Rio Lagartoyacu,Río Lagartoyacu | Ecuador, Pastaza Province | stream | S 2° 3′ 4'' | W 76° 23′ 43'' |
| 4600 | Quebrada Balsayacu Quebrada Balsayacu | Ecuador, Pastaza Province | stream | S 2° 2′ 30'' | W 76° 23′ 26'' |
by