| River Erriff | |
|---|---|
Aasleagh Falls on the Erriff | |
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| 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.
The River Erriff forms from the union of the Owenree and Owenmore Rivers in Glennacally. It flows west-southwest parallel to the N59, passing under Aasleagh Bridge and entering Killary Harbour.
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