Castletown River
| Castletown River | |
|---|---|
Castletown River Estuary | |
| Native name | Abhainn Bhaile an Chaisleáin (Irish) |
| Location | |
| Countries | Republic of Ireland, Northern Ireland |
| Physical characteristics | |
| Source | |
| • location | Newtownhamilton |
| Mouth | |
• location | Dundalk Bay |
| Length | 45 km (28 mi) |
The Castletown River (Irish: Abhainn Bhaile an Chaisleáin) is a river which flows through the town of Dundalk, County Louth, Ireland. It rises near Newtownhamilton, County Armagh, Northern Ireland, and is known as the Creggan River in its upper reaches. Its two main tributaries are the Kilcurry and Falmore rivers and it enters the Irish Sea at Dundalk Bay.