| Name | Country | Feature class | Latitude | Longitude |
2901  | Quebrada Saltia Huaicu -0.9166667-78.5833333 | Ecuador, Cotopaxi | stream | S 0° 55′ 0'' | W 78° 35′ 0'' |
2902  | Quebrada Saltana -2.9666667-79.0333333 | Ecuador, Azuay | stream | S 2° 58′ 0'' | W 79° 2′ 0'' |
2903  | Quebrada Salpi -0.0333333-78.5666667 | Ecuador, Pichincha | stream | S 0° 2′ 0'' | W 78° 34′ 0'' |
2904  | Río Saloya -0.010558-78.819524 | Ecuador, Pichincha | stream | S 0° 0′ 38'' | W 78° 49′ 10'' |
2905  | Quebrada Salintilín -0.9-78.65 | Ecuador, Cotopaxi | stream | S 0° 54′ 0'' | W 78° 39′ 0'' |
2906  | Estero Salinas -2.9666667-80.1666667 | Ecuador, Guayas | stream | S 2° 58′ 0'' | W 80° 10′ 0'' |
2907  | Estero Salinas -2.6166667-80.0 | Ecuador, Guayas | estuary | S 2° 37′ 0'' | W 80° 0′ 0'' |
2908  | Estero Salgona -0.5666667-79.4666667 | Ecuador, Pichincha | stream | S 0° 34′ 0'' | W 79° 28′ 0'' |
2909  | Quebrada Saldi -0.6333333-78.65 | Ecuador, Cotopaxi | stream | S 0° 38′ 0'' | W 78° 39′ 0'' |
2910  | Río Salazar -0.846224-79.753194 | Ecuador, Manabí | stream | S 0° 50′ 46'' | W 79° 45′ 11'' |
2911  | Río Salango -1.589692-80.83497 | Ecuador, Manabí | stream | S 1° 35′ 22'' | W 80° 50′ 5'' |
2912  | Río Salampe -1.7833333-79.5333333 | Ecuador, Los Ríos | stream | S 1° 47′ 0'' | W 79° 32′ 0'' |
2913  | Quebrada Salamala -0.8166667-78.7333333 | Ecuador, Cotopaxi | stream | S 0° 49′ 0'' | W 78° 44′ 0'' |
2914  | Río Salagas -3.327298-78.468444 | Ecuador, Morona-Santiago Province | stream | S 3° 19′ 38'' | W 78° 28′ 6'' |
2915  | Río Salado -2.267604-80.862197 | Ecuador, Guayas | intermittent stream | S 2° 16′ 3'' | W 80° 51′ 43'' |
2916  | Río Salado -1.176652-80.776503 | Ecuador, Manabí | intermittent stream | S 1° 10′ 35'' | W 80° 46′ 35'' |
2917  | Río Salado -3.8166667-79.65 | Ecuador, El Oro | stream | S 3° 49′ 0'' | W 79° 39′ 0'' |
2918  | Río Salado -3.267265-79.273596 | Ecuador, Azuay | stream | S 3° 16′ 2'' | W 79° 16′ 24'' |
2919  | Río Salado -0.975584-75.423892 | Ecuador, Orellana Province | stream | S 0° 58′ 32'' | W 75° 25′ 26'' |
2920  | Quebrada del Salado -0.7333333-78.6 | Ecuador, Cotopaxi | stream | S 0° 44′ 0'' | W 78° 36′ 0'' |
2921  | Quebrada Salado -4.163241-79.861652 | Ecuador, Loja | stream | S 4° 9′ 47'' | W 79° 51′ 41'' |
2922  | Quebrada Salado -3.071106-79.064739 | Ecuador, Azuay | stream | S 3° 4′ 16'' | W 79° 3′ 53'' |
2923  | Quebrada Salado -3.093778-79.091076 | Ecuador, Azuay | stream | S 3° 5′ 37'' | W 79° 5′ 27'' |
2924  | Quebrada Salado -2.927174-78.928219 | Ecuador, Azuay | stream | S 2° 55′ 37'' | W 78° 55′ 41'' |
2925  | Quebrada Salado -2.917978-79.022817 | Ecuador, Azuay | stream | S 2° 55′ 4'' | W 79° 1′ 22'' |
2926  | Quebrada Salado -0.6666667-78.6166667 | Ecuador, Cotopaxi | stream | S 0° 40′ 0'' | W 78° 37′ 0'' |
2927  | Quebrada Salado -0.6333333-78.6166667 | Ecuador, Cotopaxi | stream | S 0° 38′ 0'' | W 78° 37′ 0'' |
2928  | Estero Salado -2.425857-80.036199 | Ecuador, Guayas | estuary | S 2° 25′ 33'' | W 80° 2′ 10'' |
2929  | Quebrada Salada -2.890949-78.89182 | Ecuador, Azuay | stream | S 2° 53′ 27'' | W 78° 53′ 30'' |
2930  | Quebrada Salachi -0.9666667-78.6166667 | Ecuador, Cotopaxi | intermittent stream | S 0° 58′ 0'' | W 78° 37′ 0'' |
2931  | Río de Sal -2.8333333-79.0333333 | Ecuador, Azuay | stream | S 2° 50′ 0'' | W 79° 2′ 0'' |
2932  | Quebrada de Sal -0.7666667-78.85 | Ecuador, Cotopaxi | stream | S 0° 46′ 0'' | W 78° 51′ 0'' |
2933  | Quebrada Saguansi -1.2333333-78.6333333 | Ecuador, Tungurahua Province | stream | S 1° 14′ 0'' | W 78° 38′ 0'' |
2934  | Quebrada Sagolán 0.3-78.2333333 | Ecuador, Imbabura | intermittent stream | N 0° 18′ 0'' | W 78° 14′ 0'' |
2935  | Quebrada Sagala 0.2-78.1333333 | Ecuador, Imbabura | intermittent stream | N 0° 12′ 0'' | W 78° 8′ 0'' |
2936  | Río Sade 0.514341-79.381281 | Ecuador, Esmeraldas | stream | N 0° 30′ 51'' | W 79° 22′ 52'' |
2937  | Quebrada Sachaliti -0.7666667-78.85 | Ecuador, Cotopaxi | stream | S 0° 46′ 0'' | W 78° 51′ 0'' |
2938  | Quebrada Sacay -2.888816-79.039201 | Ecuador, Azuay | stream | S 2° 53′ 19'' | W 79° 2′ 21'' |
2939  | Río Sabanilla -4.037117-79.006748 | Ecuador, Zamora Chinchipe | stream | S 4° 2′ 13'' | W 79° 0′ 24'' |
2940  | Río Sabaneta -1.814954-79.3987 | Ecuador, | stream | S 1° 48′ 53'' | W 79° 23′ 55'' |
2941  | Boca de Sabana Grande -2.5833333-80.15 | Ecuador, Guayas | stream mouth(s) | S 2° 35′ 0'' | W 80° 9′ 0'' |
2942  | Quebrada Rushuaicu -0.2-78.4666667 | Ecuador, Pichincha | stream | S 0° 12′ 0'' | W 78° 28′ 0'' |
2943  | Río Rumiyacu -0.938391-75.882606 | Ecuador, Orellana Province | stream | S 0° 56′ 18'' | W 75° 52′ 57'' |
2944  | Río Rumiyacu 0.75-78.6666667 | Ecuador, | stream | N 0° 45′ 0'' | W 78° 40′ 0'' |
2945  | Río Rumiyacu -0.633041-76.665298 | Ecuador, Orellana Province | stream | S 0° 37′ 58'' | W 76° 39′ 55'' |
2946  | Quebrada Rumiurcu -0.1-78.4833333 | Ecuador, Pichincha | stream | S 0° 6′ 0'' | W 78° 29′ 0'' |
2947  | Quebrada Rumisalto -0.7833333-78.85 | Ecuador, Cotopaxi | stream | S 0° 47′ 0'' | W 78° 51′ 0'' |
2948  | Quebrada Rumisalto -0.7833333-78.5 | Ecuador, Cotopaxi | stream | S 0° 47′ 0'' | W 78° 30′ 0'' |
2949  | Quebrada Rumipungu -0.895372-78.570465 | Ecuador, Cotopaxi | stream | S 0° 53′ 43'' | W 78° 34′ 13'' |
2950  | Quebrada de Rumipamba 0.2666667-78.1166667 | Ecuador, Imbabura | stream | N 0° 16′ 0'' | W 78° 7′ 0'' |