| Name | Country | Feature class | Latitude | Longitude |
2451  | Río Tuna Chiguaza -1.987913-77.947962 | Ecuador, Morona-Santiago Province | stream | S 1° 59′ 16'' | W 77° 56′ 52'' |
2452  | Quebrada Tumucu 0.3833333-78.05 | Ecuador, Imbabura | stream | N 0° 23′ 0'' | W 78° 3′ 0'' |
2453  | Quebrada Tumbibitzi 0.3333333-78.2333333 | Ecuador, Imbabura | stream | N 0° 20′ 0'' | W 78° 14′ 0'' |
2454  | Quebrada de Tulquizán 0.5666667-78.1166667 | Ecuador, Carchi | stream | N 0° 34′ 0'' | W 78° 7′ 0'' |
2455  | Quebrada Tulapaquay -3.25-79.05 | Ecuador, Azuay | stream | S 3° 15′ 0'' | W 79° 3′ 0'' |
2456  | Quebrada Tucsaló -1.25-78.6333333 | Ecuador, Tungurahua Province | intermittent stream | S 1° 15′ 0'' | W 78° 38′ 0'' |
2457  | Quebrada Tsiniyacu -0.15-78.4833333 | Ecuador, Pichincha | stream | S 0° 9′ 0'' | W 78° 29′ 0'' |
2458  | Río Tronador -1.8-79.4166667 | Ecuador, Los Ríos | stream | S 1° 48′ 0'' | W 79° 25′ 0'' |
2459  | Quebrada Trinquete -0.6-78.5666667 | Ecuador, Pichincha | stream | S 0° 36′ 0'' | W 78° 34′ 0'' |
2460  | Quebrada Trinquete -0.6-78.55 | Ecuador, Pichincha | stream | S 0° 36′ 0'' | W 78° 33′ 0'' |
2461  | Río Trinidad -2.510538-79.446605 | Ecuador, Azuay | stream | S 2° 30′ 37'' | W 79° 26′ 47'' |
2462  | Quebrada Trigopamba -4.284648-79.47007 | Ecuador, Loja | stream | S 4° 17′ 4'' | W 79° 28′ 12'' |
2463  | Quebrada Trigoloma -3.4166667-79.2 | Ecuador, Azuay | stream | S 3° 25′ 0'' | W 79° 12′ 0'' |
2464  | Río Trapiche -2.61725-79.720524 | Ecuador, Guayas | stream | S 2° 37′ 2'' | W 79° 43′ 13'' |
2465  | Río Tránsito -0.321874-78.918898 | Ecuador, Pichincha | stream | S 0° 19′ 18'' | W 78° 55′ 8'' |
2466  | Quebrada Trancapata -3.312477-79.061817 | Ecuador, Azuay | stream | S 3° 18′ 44'' | W 79° 3′ 42'' |
2467  | Quebrada Trancapamba -3.4333333-79.1833333 | Ecuador, Azuay | stream | S 3° 26′ 0'' | W 79° 11′ 0'' |
2468  | Quebrada Trancapamba -3.339403-79.108509 | Ecuador, Azuay | stream | S 3° 20′ 21'' | W 79° 6′ 30'' |
2469  | Quebrada de Totorillas -0.1666667-78.5166667 | Ecuador, Pichincha | stream | S 0° 10′ 0'' | W 78° 31′ 0'' |
2470  | Quebrada Totorillas -2.990688-79.008121 | Ecuador, Azuay | stream | S 2° 59′ 26'' | W 79° 0′ 29'' |
2471  | Quebrada Totora-Pamba -3.0833333-79.0166667 | Ecuador, Azuay | stream | S 3° 5′ 0'' | W 79° 1′ 0'' |
2472  | Quebrada de Totora -0.75-78.9 | Ecuador, Cotopaxi | stream | S 0° 45′ 0'' | W 78° 54′ 0'' |
2473  | Río Tórtola 0.25-79.0333333 | Ecuador, Pichincha | stream | N 0° 15′ 0'' | W 79° 2′ 0'' |
2474  | Río Toro -1.4-78.2 | Ecuador, | stream | S 1° 24′ 0'' | W 78° 12′ 0'' |
2475  | Estero Toquilla -2.052766-79.321462 | Ecuador, Guayas | stream | S 2° 3′ 9'' | W 79° 19′ 17'' |
2476  | Río Topo -1.410623-78.19268 | Ecuador, Tungurahua Province | stream | S 1° 24′ 38'' | W 78° 11′ 33'' |
2477  | Quebrada Tomebamba 0.0166667-78.2333333 | Ecuador, Pichincha | stream | N 0° 1′ 0'' | W 78° 14′ 0'' |
2478  | Toma -0.3-78.6666667 | Ecuador, Pichincha | stream | S 0° 18′ 0'' | W 78° 40′ 0'' |
2479  | Quebrada Tolunga -4.482292-79.747466 | Ecuador, Loja | intermittent stream | S 4° 28′ 56'' | W 79° 44′ 50'' |
2480  | Quebrada Tolontag -0.3333333-78.3666667 | Ecuador, Pichincha | stream | S 0° 20′ 0'' | W 78° 22′ 0'' |
2481  | Quebrada Todos los Santos -3.1666667-79.1666667 | Ecuador, Azuay | stream | S 3° 10′ 0'' | W 79° 10′ 0'' |
2482  | Quebrada Tocachi 0.0333333-78.3 | Ecuador, Pichincha | stream | N 0° 2′ 0'' | W 78° 18′ 0'' |
2483  | Quebrada de Toallo -1.267385-78.607113 | Ecuador, Tungurahua Province | stream | S 1° 16′ 2'' | W 78° 36′ 25'' |
2484  | Quebrada Tiza Huayco -0.940985-78.897079 | Ecuador, Cotopaxi | stream | S 0° 56′ 27'' | W 78° 53′ 49'' |
2485  | Quebrada Tiura -3.7833333-79.3166667 | Ecuador, Loja | intermittent stream | S 3° 47′ 0'' | W 79° 19′ 0'' |
2486  | Quebrada Tiupulillo -0.7-78.5833333 | Ecuador, Cotopaxi | intermittent stream | S 0° 42′ 0'' | W 78° 35′ 0'' |
2487  | Quebrada Tiupamba -3.35-79.1 | Ecuador, Azuay | stream | S 3° 21′ 0'' | W 79° 6′ 0'' |
2488  | Quebrada Tiungo -1.6833333-78.6666667 | Ecuador, Chimborazo Province | intermittent stream | S 1° 41′ 0'' | W 78° 40′ 0'' |
2489  | Río Tisay -2.5333333-79.35 | Ecuador, Cañar | stream | S 2° 32′ 0'' | W 79° 21′ 0'' |
2490  | Quebrada Tiopamba -3.5166667-79.5166667 | Ecuador, Loja | intermittent stream | S 3° 31′ 0'' | W 79° 31′ 0'' |
2491  | Río Tíohuayco -2.6666667-78.95 | Ecuador, Cañar | stream | S 2° 40′ 0'' | W 78° 57′ 0'' |
2492  | Quebrada Tinte -0.1166667-78.2166667 | Ecuador, Pichincha | stream | S 0° 7′ 0'' | W 78° 13′ 0'' |
2493  | Río Tintal -1.7833333-79.7833333 | Ecuador, Guayas | stream | S 1° 47′ 0'' | W 79° 47′ 0'' |
2494  | Río Tintahuaycu -2.544413-78.903104 | Ecuador, Cañar | stream | S 2° 32′ 39'' | W 78° 54′ 11'' |
2495  | Quebrada Tinta -3.3166667-79.0666667 | Ecuador, Azuay | stream | S 3° 19′ 0'' | W 79° 4′ 0'' |
2496  | Quebrada Tingopungo -0.98715-78.878615 | Ecuador, Cotopaxi | stream | S 0° 59′ 13'' | W 78° 52′ 43'' |
2497  | Río Tingo -0.952809-78.708651 | Ecuador, Cotopaxi | stream | S 0° 57′ 10'' | W 78° 42′ 31'' |
2498  | Quebrada Tingo -0.4-78.4333333 | Ecuador, Pichincha | stream | S 0° 24′ 0'' | W 78° 26′ 0'' |
2499  | Tinajillas -3.18925-79.044693 | Ecuador, Azuay | stream | S 3° 11′ 21'' | W 79° 2′ 40'' |
2500  | Quebrada Tinajahuaicu -1.1166667-78.5666667 | Ecuador, Tungurahua Province | intermittent stream | S 1° 7′ 0'' | W 78° 34′ 0'' |