Lough Owel (Irish: Loch Uail) is a mesotrophic lough in the Midlands of Ireland, situated north of Mullingar, the county town of Westmeath. It has a maximum depth of 22m. Water from Lough Owel feeds the Royal Canal, a canal crossing Ireland from Dublin to the River Shannon. Access to the lake can be gained from a carpark and pier to the south of the N4 Mullingar to Longford route.
|Lake type||Glacial lake|
|Primary outflows||River Brosna|
|Max. length||6 km (3.7 mi)|
|Max. width||3 km (1.9 mi)|
|Surface area||10.31 km2 (3.98 sq mi)|
|Max. depth||22 m (72 ft)|
|Surface elevation||85 m (279 ft)|
|Designated||7 June 1996|
Lough Owel and Lough Ennell are two of many lakes that form the River Brosna drainage basin. The Brosna is a tributary of the Shannon, flowing through Mullingar and Kilbeggan, both in Westmeath, and from there through the town of Clara (County Offaly) into the Shannon.
- Lough Owel SPA. NPWS
- "Lough Owel". Ramsar Sites Information Service. Retrieved 25 April 2018.
- ["Archived copy". Archived from the original on 2007-07-10. Retrieved July 10, 2007.CS1 maint: archived copy as title (link)/datazone/sitefactsheet.php?id=626 Important Bird Areas factsheet: Lough Owel]. BirdLife International (2013). Downloaded from "Archived copy". Archived from the original on 2007-07-10. Retrieved July 10, 2007.CS1 maint: archived copy as title (link) on 28/07/2013