Back Riu Erne Catalan River Erne CEB Afon Erne Welsh Erne (Fluss) German Río Erne Spanish Erne ibaia Basque Erne Finnish Erne French An Éirne Irish Río Erne Galician
| River Erne | |
|---|---|
 The River Erne in Ballyshannon | |
 | |
| Native name | An Éirne (Irish) |
| Location | |
| Countries | Republic of Ireland, Northern Ireland |
| Physical characteristics | |
| Source | |
| • location | Slieve Glah, County Cavan, Ireland |
| • elevation | ~255 m (837 ft) |
| Mouth | |
• location | Atlantic Ocean at Ballyshannon, County Donegal |
• coordinates | 54°30′27″N 8°15′31″W / 54.5074°N 8.2585°W |
| Length | ~129 km (80 mi) |
| Basin size | 4,372 km2 (1,688 sq mi) |
| Discharge | |
| • average | 101.7 m3/s (3,590 cu ft/s) |
| Basin features | |
| Tributaries | |
| • left | Arney River, Sillees River |
| • right | River Annalee, River Finn (Erne tributary), Colebrooke River, Ballycassidy River, Kesh River, Brannagh River |
 | |
The River Erne (/ɛərn/ AIRN, Irish: Abhainn na hÉirne or An Éirne) in the northwest of the island of Ireland, is the second-longest river in Ulster, flowing through Northern Ireland and the Republic of Ireland, and forming part of their border.