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| Lough Forbes | |
|---|---|
| Loch Foirbis (Irish) | |
| Location | County Longford/County Roscommon, Ireland | 
| Coordinates | 53°46′53″N7°52′39″W / 53.781322°N 7.877494°W | 
| Primary inflows | River Shannon | 
| Primary outflows | River Shannon | 
| Basin countries | Ireland | 
| Surface area | 3 km2 (1.2 sq mi) | 
| Surface elevation | 40 m (130 ft) | 
| Islands | Long Island, Sallow Island | 
| Settlements | Newtown Forbes | 
Lough Forbes (Irish : Loch Foirbis) [1] is a lake and Special Area of Conservation in Ireland. It is on the border of counties Longford and Roscommon, west of the village of Newtownforbes. [2]