| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| El Guayabo River | Lempa River | 13.2666000000 | -88.8337000000 | Map | |||||||
| Sumpul River |  | 44,500,000 | Lempa River | 77,000 | 14.0085000000 | -88.7899000000 | Map | ||||
| Torola River |  | Lempa River | 100,300 | 13.8603055556 | -88.4911111111 | Map |