| Name | Country | Feature class | Latitude | Longitude |
2501  | Quebrada Timbuyacu 0.4-78.25 | Ecuador, Imbabura | stream | N 0° 24′ 0'' | W 78° 15′ 0'' |
2502  | Quebrada Tiliche -0.5833333-78.5333333 | Ecuador, Pichincha | stream | S 0° 35′ 0'' | W 78° 32′ 0'' |
2503  | Quebrada Tilacos -3.9666667-80.35 | Ecuador, Loja | stream | S 3° 58′ 0'' | W 80° 21′ 0'' |
2504  | Río Tihuano -1.245781-77.123557 | Ecuador, Pastaza Province | stream | S 1° 14′ 44'' | W 77° 7′ 24'' |
2505  | Quebrada Tigui Tola 0.2833333-78.0833333 | Ecuador, Imbabura | stream | N 0° 17′ 0'' | W 78° 5′ 0'' |
2506  | Río Tiguino -1.257163-76.472066 | Ecuador, Pastaza Province | stream | S 1° 15′ 25'' | W 76° 28′ 19'' |
2507  | Quebrada Tigualó -1.1-78.5666667 | Ecuador, Cotopaxi | intermittent stream | S 1° 6′ 0'' | W 78° 34′ 0'' |
2508  | Quebrada de los Tigrillos -3.7666667-80.2 | Ecuador, El Oro | stream | S 3° 46′ 0'' | W 80° 12′ 0'' |
2509  | Río Tigre -1.139445-79.909025 | Ecuador, Guayas | stream | S 1° 8′ 22'' | W 79° 54′ 32'' |
2510  | Río Tigre 1.1333333-78.3666667 | Ecuador, Carchi | stream | N 1° 8′ 0'' | W 78° 22′ 0'' |
2511  | Río Tigre -0.136699-79.692756 | Ecuador, Manabí | stream | S 0° 8′ 12'' | W 79° 41′ 33'' |
2512  | Estero Tigre -1.118498-79.976334 | Ecuador, Guayas | stream | S 1° 7′ 6'' | W 79° 58′ 34'' |
2513  | Quebrada de Tiglán -0.9333333-78.9 | Ecuador, Cotopaxi | stream | S 0° 56′ 0'' | W 78° 54′ 0'' |
2514  | Río Tigay -2.513142-79.271418 | Ecuador, Cañar | intermittent stream | S 2° 30′ 47'' | W 79° 16′ 17'' |
2515  | Río Tierre -0.9833333-79.5166667 | Ecuador, Pichincha | stream | S 0° 59′ 0'' | W 79° 31′ 0'' |
2516  | Quebrada de Tierra Blanca 0.6166667-77.8333333 | Ecuador, Carchi | stream | N 0° 37′ 0'' | W 77° 50′ 0'' |
2517  | Quebrada Tibiruche -4.55-79.5 | Ecuador, Loja | intermittent stream | S 4° 33′ 0'' | W 79° 30′ 0'' |
2518  | Río Tiaone 0.920974-79.659183 | Ecuador, Esmeraldas | stream | N 0° 55′ 15'' | W 79° 39′ 33'' |
2519  | Quebrada del Tiago -4.2666667-79.75 | Ecuador, Loja | intermittent stream | S 4° 16′ 0'' | W 79° 45′ 0'' |
2520  | Quebrada Terremoto -1.285057-78.6094 | Ecuador, Tungurahua Province | intermittent stream | S 1° 17′ 6'' | W 78° 36′ 33'' |
2521  | Tenguel Río -3.000725-79.843763 | Ecuador, Guayas | stream | S 3° 0′ 2'' | W 79° 50′ 37'' |
2522  | Boca de Tenguel -3.000917-79.844599 | Ecuador, Guayas | stream mouth(s) | S 3° 0′ 3'' | W 79° 50′ 40'' |
2523  | Quebrada Tenería -0.6166667-78.65 | Ecuador, Cotopaxi | stream | S 0° 37′ 0'' | W 78° 39′ 0'' |
2524  | Tendal -0.3-78.65 | Ecuador, Pichincha | stream | S 0° 18′ 0'' | W 78° 39′ 0'' |
2525  | Río Tena -0.989322-77.805643 | Ecuador, Napo | stream | S 0° 59′ 21'' | W 77° 48′ 20'' |
2526  | Quebrada Tembo -0.7-78.6333333 | Ecuador, Cotopaxi | stream | S 0° 42′ 0'' | W 78° 38′ 0'' |
2527  | Quebrada Telera -4.040319-79.919032 | Ecuador, Loja | stream | S 4° 2′ 25'' | W 79° 55′ 8'' |
2528  | Quebrada de Teleche -0.7333333-78.7333333 | Ecuador, Cotopaxi | intermittent stream | S 0° 44′ 0'' | W 78° 44′ 0'' |
2529  | Río Tejar 0.240273-78.265278 | Ecuador, Imbabura | stream | N 0° 14′ 25'' | W 78° 15′ 55'' |
2530  | Quebrada del Tejar 0.382378-78.059514 | Ecuador, Imbabura | stream | N 0° 22′ 56'' | W 78° 3′ 34'' |
2531  | Quebrada del Tejar -0.205399-78.434896 | Ecuador, Pichincha | stream | S 0° 12′ 19'' | W 78° 26′ 5'' |
2532  | Quebrada Tejar -2.9-79.0333333 | Ecuador, Azuay | stream | S 2° 54′ 0'' | W 79° 2′ 0'' |
2533  | Quebrada Tejado -0.1833333-78.5 | Ecuador, Pichincha | stream | S 0° 11′ 0'' | W 78° 30′ 0'' |
2534  | Boca de Taura -2.529244-79.77686 | Ecuador, Guayas | stream mouth(s) | S 2° 31′ 45'' | W 79° 46′ 36'' |
2535  | Quebrada Tatoca -0.5-78.45 | Ecuador, Pichincha | stream | S 0° 30′ 0'' | W 78° 27′ 0'' |
2536  | Quebrada Tasqui -3.246338-79.310535 | Ecuador, Azuay | stream | S 3° 14′ 46'' | W 79° 18′ 37'' |
2537  | Quebrada Tasqui -3.25-79.0333333 | Ecuador, Azuay | stream | S 3° 15′ 0'' | W 79° 2′ 0'' |
2538  | Quebrada Tasqui -3.1666667-78.95 | Ecuador, Azuay | stream | S 3° 10′ 0'' | W 78° 57′ 0'' |
2539  | Quebrada Taruga Corral 0.4333333-78.0333333 | Ecuador, Imbabura | intermittent stream | N 0° 26′ 0'' | W 78° 2′ 0'' |
2540  | Quebrada Tarqui -2.912353-78.969107 | Ecuador, Azuay | stream | S 2° 54′ 44'' | W 78° 58′ 8'' |
2541  | Quebrada Tapina -3.4166667-79.3166667 | Ecuador, Azuay | stream | S 3° 25′ 0'' | W 79° 19′ 0'' |
2542  | Quebrada Tapia 0.1166667-78.1 | Ecuador, Pichincha | stream | N 0° 7′ 0'' | W 78° 6′ 0'' |
2543  | Estero Tanti -0.2833333-79.0666667 | Ecuador, Pichincha | stream | S 0° 17′ 0'' | W 79° 4′ 0'' |
2544  | Río Tansaray -2.6166667-79.3166667 | Ecuador, Azuay | stream | S 2° 37′ 0'' | W 79° 19′ 0'' |
2545  | Río Tanqueya 0.2166667-75.9333333 | Ecuador, Sucumbíos | stream | N 0° 13′ 0'' | W 75° 56′ 0'' |
2546  | Quebrada Tanguarín 0.3333333-78.15 | Ecuador, Imbabura | intermittent stream | N 0° 20′ 0'' | W 78° 9′ 0'' |
2547  | Quebrada de Tangichi -0.8333333-78.8666667 | Ecuador, Tungurahua Province | stream | S 0° 50′ 0'' | W 78° 52′ 0'' |
2548  | Quebrada Tanganhuana -1.1333333-78.5833333 | Ecuador, Tungurahua Province | stream | S 1° 8′ 0'' | W 78° 35′ 0'' |
2549  | Quebrada Tandandi -0.684134-78.862472 | Ecuador, Cotopaxi | intermittent stream | S 0° 41′ 2'' | W 78° 51′ 44'' |
2550  | Quebrada Tandacatus -2.9-79.0333333 | Ecuador, Azuay | stream | S 2° 54′ 0'' | W 79° 2′ 0'' |