| Name | Country | Feature class | Latitude | Longitude |
2301  | Quebrada Zanincapa -3.612401-79.225252 | Ecuador, Loja | stream | S 3° 36′ 44'' | W 79° 13′ 30'' |
2302  | Estero Zamoreño -1.8333333-80.25 | Ecuador, Guayas | intermittent stream | S 1° 50′ 0'' | W 80° 15′ 0'' |
2303  | Quebrada Zamora -1.0666667-78.6833333 | Ecuador, Cotopaxi | intermittent stream | S 1° 4′ 0'' | W 78° 41′ 0'' |
2304  | Quebrada Zagalahuaicu 0.3333333-78.1166667 | Ecuador, Imbabura | intermittent stream | N 0° 20′ 0'' | W 78° 7′ 0'' |
2305  | Río Zabala -3.532863-78.950125 | Ecuador, Zamora Chinchipe | stream | S 3° 31′ 58'' | W 78° 57′ 0'' |
2306  | Río Yuyumbi -1.380867-79.414268 | Ecuador, Los Ríos | stream | S 1° 22′ 51'' | W 79° 24′ 51'' |
2307  | Río Yuturi -0.55-76.0166667 | Ecuador, Orellana Province | stream | S 0° 33′ 0'' | W 76° 1′ 0'' |
2308  | Quebrada Yurayacu -3.2333333-78.9833333 | Ecuador, Azuay | stream | S 3° 14′ 0'' | W 78° 59′ 0'' |
2309  | Quebrada Yurahuaicu -0.912244-78.577786 | Ecuador, Cotopaxi | stream | S 0° 54′ 44'' | W 78° 34′ 40'' |
2310  | Quebrada Yuragrumi -1.0166667-78.75 | Ecuador, Cotopaxi | intermittent stream | S 1° 1′ 0'' | W 78° 45′ 0'' |
2311  | Quebrada Yuracrumi -1.0-78.7833333 | Ecuador, Cotopaxi | stream | S 1° 0′ 0'' | W 78° 47′ 0'' |
2312  | Río Yuquin 0.4166667-77.9833333 | Ecuador, Imbabura | stream | N 0° 25′ 0'' | W 77° 59′ 0'' |
2313  | Quebrada Yunza -4.2833333-79.2666667 | Ecuador, Loja | stream | S 4° 17′ 0'' | W 79° 16′ 0'' |
2314  | Quebrada Yunguillas 0.0166667-78.4666667 | Ecuador, Pichincha | stream | N 0° 1′ 0'' | W 78° 28′ 0'' |
2315  | Quebrada de Yunguilla 0.4333333-78.0833333 | Ecuador, Imbabura | intermittent stream | N 0° 26′ 0'' | W 78° 5′ 0'' |
2316  | Quebrada Yunguilla -2.934324-79.137808 | Ecuador, Azuay | stream | S 2° 56′ 3'' | W 79° 8′ 16'' |
2317  | Quebrada Yunguilla 0.3666667-78.0 | Ecuador, Imbabura | stream | N 0° 22′ 0'' | W 78° 0′ 0'' |
2318  | Quebrada Yungas 0.0-78.2666667 | Ecuador, Pichincha | stream | N 0° 0′ 0'' | W 78° 16′ 0'' |
2319  | Estero de Yumes -1.6333333-79.9833333 | Ecuador, Guayas | stream | S 1° 38′ 0'' | W 79° 59′ 0'' |
2320  | Quebrada Yumbuco 0.1166667-78.4166667 | Ecuador, Pichincha | stream | N 0° 7′ 0'' | W 78° 25′ 0'' |
2321  | Río Yescas -0.401852-80.082949 | Ecuador, Manabí | stream | S 0° 24′ 6'' | W 80° 4′ 58'' |
2322  | Río Yerbabuena -2.7833333-79.5333333 | Ecuador, Azuay | stream | S 2° 47′ 0'' | W 79° 32′ 0'' |
2323  | Quebrada de Yerbabuena -0.7166667-78.8 | Ecuador, Cotopaxi | stream | S 0° 43′ 0'' | W 78° 48′ 0'' |
2324  | Río Yatusi -1.2666667-78.5 | Ecuador, Tungurahua Province | stream | S 1° 16′ 0'' | W 78° 30′ 0'' |
2325  | Quebrada Yarizagua -3.2833333-79.2333333 | Ecuador, Azuay | stream | S 3° 17′ 0'' | W 79° 14′ 0'' |
2326  | Quebrada Yaraco -4.148472-79.845975 | Ecuador, Loja | stream | S 4° 8′ 54'' | W 79° 50′ 45'' |
2327  | Quebrada Yaptacay -2.9166667-78.8833333 | Ecuador, Azuay | stream | S 2° 55′ 0'' | W 78° 53′ 0'' |
2328  | Quebrada de Yanyaro 0.5166667-78.3 | Ecuador, Imbabura | stream | N 0° 31′ 0'' | W 78° 18′ 0'' |
2329  | Quebrada Yantahuaico -2.81362-79.363109 | Ecuador, Azuay | stream | S 2° 48′ 49'' | W 79° 21′ 47'' |
2330  | Quebrada Yanganatillo -1.258815-78.437701 | Ecuador, Tungurahua Province | stream | S 1° 15′ 31'' | W 78° 26′ 15'' |
2331  | Río Yanayacu -2.458091-79.261283 | Ecuador, Cañar | stream | S 2° 27′ 29'' | W 79° 15′ 40'' |
2332  | Río Yanayacu 1.0494444-78.9858333 | Ecuador, Esmeraldas | stream | N 1° 2′ 58'' | W 78° 59′ 9'' |
2333  | Río Yanayacu -0.451855-76.901902 | Ecuador, Orellana Province | stream | S 0° 27′ 6'' | W 76° 54′ 6'' |
2334  | Río Yanayacu 0.3333333-78.2333333 | Ecuador, Imbabura | stream | N 0° 20′ 0'' | W 78° 14′ 0'' |
2335  | Río Yanayacu -0.2166667-77.6 | Ecuador, Pastaza Province | stream | S 0° 13′ 0'' | W 77° 36′ 0'' |
2336  | Quebrada de Yanayacu 0.45-78.2166667 | Ecuador, Imbabura | stream | N 0° 27′ 0'' | W 78° 13′ 0'' |
2337  | Quebrada Yanayacu -0.75-78.6333333 | Ecuador, Cotopaxi | stream | S 0° 45′ 0'' | W 78° 38′ 0'' |
2338  | Quebrada Yanayacu -0.7166667-78.9 | Ecuador, Cotopaxi | stream | S 0° 43′ 0'' | W 78° 54′ 0'' |
2339  | Quebrada Yanayacu 0.4-78.2666667 | Ecuador, Imbabura | stream | N 0° 24′ 0'' | W 78° 16′ 0'' |
2340  | Quebrada Yanayacu 0.3333333-78.25 | Ecuador, Imbabura | stream | N 0° 20′ 0'' | W 78° 15′ 0'' |
2341  | Quebrada Yanayacu 0.25-78.3333333 | Ecuador, Imbabura | stream | N 0° 15′ 0'' | W 78° 20′ 0'' |
2342  | Quebrada Yanayacu 0.2333333-78.2666667 | Ecuador, Imbabura | stream | N 0° 14′ 0'' | W 78° 16′ 0'' |
2343  | Quebrada Yanarumi 0.25-78.05 | Ecuador, Imbabura | stream | N 0° 15′ 0'' | W 78° 3′ 0'' |
2344  | Quebrada Yanapaccha 0.3-78.3 | Ecuador, Imbabura | intermittent stream | N 0° 18′ 0'' | W 78° 18′ 0'' |
2345  | Quebrada Yanapaccha 0.1666667-78.1666667 | Ecuador, Imbabura | stream | N 0° 10′ 0'' | W 78° 10′ 0'' |
2346  | Quebrada Yanalpa -3.2666667-79.25 | Ecuador, Azuay | stream | S 3° 16′ 0'' | W 79° 15′ 0'' |
2347  | Quebrada Yanallpa -3.2666667-79.0166667 | Ecuador, Azuay | stream | S 3° 16′ 0'' | W 79° 1′ 0'' |
2348  | Quebrada Yanahuaicu -0.2666667-78.3833333 | Ecuador, Pichincha | intermittent stream | S 0° 16′ 0'' | W 78° 23′ 0'' |
2349  | Quebrada Yanahuaicu -0.75-78.6666667 | Ecuador, Cotopaxi | stream | S 0° 45′ 0'' | W 78° 40′ 0'' |
2350  | Quebrada Yanahuaicu 0.05-78.2333333 | Ecuador, Pichincha | stream | N 0° 3′ 0'' | W 78° 14′ 0'' |