Repositorio Institucional
| Río Morotuto [1] |
| Río Motatan [3] |
| Río Motatán [8] |
| Río Mucaria [1] |
| Río Mucaría [1] |
| Río Mucuchachi [1] |
| Río Mucuchachí [5] |
| Río Mucujepe [1] |
| Río Mucupati [1] |
| Río Mucupatí [2] |
| Río Mucupaty [1] |
| Río Mucutuy [1] |
| Río Murgua [1] |
| río Naricual [2] |
| Río Navada [1] |
| Río Navay [2] |
| Rio Negro [1] |
| Río Negro [23] |
| Río Neverí [5] |
| Río Nirgua [2] |
| Río Noto o Nuria [1] |
| Río Nuevo [1] |
| Rio Nula [1] |
| Río Nula [2] |
| Río Ocamo [2] |
| Río Ocumarito [1] |
| Río Oira [1] |
| Río Oirá [3] |
| Río Onia [2] |
| Rio Oribante [1] |