River Erriff
| River Erriff | |
|---|---|
| Aasleagh Falls on the Erriff | |
| Native name | Abhainn na hOirimhe (Irish) | 
| Physical characteristics | |
| Source | |
| • location | Glennacally | 
| Mouth | |
|  • location | Atlantic Ocean at Killary Harbour | 
| Length | 33.0 km (20.5 mi) | 
| Basin size | 163 km2 (63 sq mi) | 
| Discharge | |
| • average | 8.16 m3/s (288 cu ft/s) | 
The River Erriff (Irish: Abhainn na hOirimhe) is a river in Ireland, flowing through County Mayo. A spate river, it is characterised by lively streams and deep fish-holding pools. A waterfall called Aasleagh Falls (Irish: Eas Liath, meaning 'grey waterfall') is near the mouth of the river.