| Name | Country | Feature class | Latitude | Longitude |
2501  | Turiucu -0.4666667-78.3 | Ecuador, Pichincha | stream | S 0° 28′ 0'' | W 78° 18′ 0'' |
2502  | Quebrada Turinuma -4.05-80.2333333 | Ecuador, Loja | stream | S 4° 3′ 0'' | W 80° 14′ 0'' |
2503  | Quebrada Turiñán 0.3666667-78.25 | Ecuador, Imbabura | intermittent stream | N 0° 22′ 0'' | W 78° 15′ 0'' |
2504  | Quebrada Turi Guayco -2.9333333-79.0166667 | Ecuador, Azuay | stream | S 2° 56′ 0'' | W 79° 1′ 0'' |
2505  | Quebrada Turapo -3.9-79.65 | Ecuador, Loja | stream | S 3° 54′ 0'' | W 79° 39′ 0'' |
2506  | Quebrada Tupigachí 0.1-78.2 | Ecuador, Pichincha | stream | N 0° 6′ 0'' | W 78° 12′ 0'' |
2507  | Quebrada Tupalá Grande 0.5-77.8333333 | Ecuador, Carchi | stream | N 0° 30′ 0'' | W 77° 50′ 0'' |
2508  | Quebrada Tupalá 0.5333333-77.8333333 | Ecuador, Carchi | stream | N 0° 32′ 0'' | W 77° 50′ 0'' |
2509  | Río Tuño -0.316907-78.981227 | Ecuador, Pichincha | stream | S 0° 19′ 0'' | W 78° 58′ 52'' |
2510  | Quebrada Tuñig -3.5333333-79.6333333 | Ecuador, El Oro | stream | S 3° 32′ 0'' | W 79° 38′ 0'' |
2511  | Quebrada Tunibamba 0.3333333-78.25 | Ecuador, Imbabura | intermittent stream | N 0° 20′ 0'' | W 78° 15′ 0'' |
2512  | Quebrada Tungurahua -1.0666667-78.6833333 | Ecuador, Cotopaxi | stream | S 1° 4′ 0'' | W 78° 41′ 0'' |
2513  | Quebrada Tungarahua -1.7-78.6833333 | Ecuador, Chimborazo Province | stream | S 1° 42′ 0'' | W 78° 41′ 0'' |
2514  | Quebrada de Tundulu -0.7333333-78.6666667 | Ecuador, Cotopaxi | stream | S 0° 44′ 0'' | W 78° 40′ 0'' |
2515  | Río Tundal 0.511012-77.816467 | Ecuador, Carchi | stream | N 0° 30′ 39'' | W 77° 48′ 59'' |
2516  | Quebrada Tunas -3.3-79.1166667 | Ecuador, Azuay | stream | S 3° 18′ 0'' | W 79° 7′ 0'' |
2517  | Quebrada del Tunal 0.45-78.0666667 | Ecuador, Imbabura | stream | N 0° 27′ 0'' | W 78° 4′ 0'' |
2518  | Río Tuna Chiguaza -1.987913-77.947962 | Ecuador, Morona-Santiago Province | stream | S 1° 59′ 16'' | W 77° 56′ 52'' |
2519  | Quebrada Tumucu 0.3833333-78.05 | Ecuador, Imbabura | stream | N 0° 23′ 0'' | W 78° 3′ 0'' |
2520  | Quebrada Tumbibitzi 0.3333333-78.2333333 | Ecuador, Imbabura | stream | N 0° 20′ 0'' | W 78° 14′ 0'' |
2521  | Quebrada de Tulquizán 0.5666667-78.1166667 | Ecuador, Carchi | stream | N 0° 34′ 0'' | W 78° 7′ 0'' |
2522  | Quebrada Tulapaquay -3.25-79.05 | Ecuador, Azuay | stream | S 3° 15′ 0'' | W 79° 3′ 0'' |
2523  | Quebrada Tucsaló -1.25-78.6333333 | Ecuador, Tungurahua Province | intermittent stream | S 1° 15′ 0'' | W 78° 38′ 0'' |
2524  | Quebrada Tsiniyacu -0.15-78.4833333 | Ecuador, Pichincha | stream | S 0° 9′ 0'' | W 78° 29′ 0'' |
2525  | Río Tronador -1.8-79.4166667 | Ecuador, Los Ríos | stream | S 1° 48′ 0'' | W 79° 25′ 0'' |
2526  | Quebrada Trinquete -0.6-78.5666667 | Ecuador, Pichincha | stream | S 0° 36′ 0'' | W 78° 34′ 0'' |
2527  | Quebrada Trinquete -0.6-78.55 | Ecuador, Pichincha | stream | S 0° 36′ 0'' | W 78° 33′ 0'' |
2528  | Río Trinidad -2.510538-79.446605 | Ecuador, Azuay | stream | S 2° 30′ 37'' | W 79° 26′ 47'' |
2529  | Quebrada Trigopamba -4.284648-79.47007 | Ecuador, Loja | stream | S 4° 17′ 4'' | W 79° 28′ 12'' |
2530  | Quebrada Trigoloma -3.4166667-79.2 | Ecuador, Azuay | stream | S 3° 25′ 0'' | W 79° 12′ 0'' |
2531  | Río Trapiche -2.61725-79.720524 | Ecuador, Guayas | stream | S 2° 37′ 2'' | W 79° 43′ 13'' |
2532  | Río Tránsito -0.321874-78.918898 | Ecuador, Pichincha | stream | S 0° 19′ 18'' | W 78° 55′ 8'' |
2533  | Quebrada Trancapata -3.312477-79.061817 | Ecuador, Azuay | stream | S 3° 18′ 44'' | W 79° 3′ 42'' |
2534  | Quebrada Trancapamba -3.4333333-79.1833333 | Ecuador, Azuay | stream | S 3° 26′ 0'' | W 79° 11′ 0'' |
2535  | Quebrada Trancapamba -3.339403-79.108509 | Ecuador, Azuay | stream | S 3° 20′ 21'' | W 79° 6′ 30'' |
2536  | Quebrada de Totorillas -0.1666667-78.5166667 | Ecuador, Pichincha | stream | S 0° 10′ 0'' | W 78° 31′ 0'' |
2537  | Quebrada Totorillas -2.990688-79.008121 | Ecuador, Azuay | stream | S 2° 59′ 26'' | W 79° 0′ 29'' |
2538  | Quebrada Totora-Pamba -3.0833333-79.0166667 | Ecuador, Azuay | stream | S 3° 5′ 0'' | W 79° 1′ 0'' |
2539  | Quebrada de Totora -0.75-78.9 | Ecuador, Cotopaxi | stream | S 0° 45′ 0'' | W 78° 54′ 0'' |
2540  | Río Tórtola 0.25-79.0333333 | Ecuador, Pichincha | stream | N 0° 15′ 0'' | W 79° 2′ 0'' |
2541  | Río Toro -1.4-78.2 | Ecuador, | stream | S 1° 24′ 0'' | W 78° 12′ 0'' |
2542  | Estero Toquilla -2.052766-79.321462 | Ecuador, Guayas | stream | S 2° 3′ 9'' | W 79° 19′ 17'' |
2543  | Río Topo -1.410623-78.19268 | Ecuador, Tungurahua Province | stream | S 1° 24′ 38'' | W 78° 11′ 33'' |
2544  | Quebrada Tomebamba 0.0166667-78.2333333 | Ecuador, Pichincha | stream | N 0° 1′ 0'' | W 78° 14′ 0'' |
2545  | Toma -0.3-78.6666667 | Ecuador, Pichincha | stream | S 0° 18′ 0'' | W 78° 40′ 0'' |
2546  | Quebrada Tolunga -4.482292-79.747466 | Ecuador, Loja | intermittent stream | S 4° 28′ 56'' | W 79° 44′ 50'' |
2547  | Quebrada Tolontag -0.3333333-78.3666667 | Ecuador, Pichincha | stream | S 0° 20′ 0'' | W 78° 22′ 0'' |
2548  | Quebrada Todos los Santos -3.1666667-79.1666667 | Ecuador, Azuay | stream | S 3° 10′ 0'' | W 79° 10′ 0'' |
2549  | Quebrada Tocachi 0.0333333-78.3 | Ecuador, Pichincha | stream | N 0° 2′ 0'' | W 78° 18′ 0'' |
2550  | Quebrada de Toallo -1.267385-78.607113 | Ecuador, Tungurahua Province | stream | S 1° 16′ 2'' | W 78° 36′ 25'' |