Lough Allua
| Lough Allua | |
|---|---|
| Locha Lua (Irish) | |
| Location | County Cork |
| Coordinates | 51°50′12″N 9°10′52″W / 51.836622°N 9.181010°W |
| Primary inflows | River Lee |
| Primary outflows | River Lee |
| Basin countries | Ireland |
| Surface area | 1.36 km2 (0.53 sq mi) |
| Average depth | 4 m (13 ft) |
| Max. depth | 47.2 m (155 ft) |
| Surface elevation | 168 m (551 ft) |
Lough Allua (Irish: Locha Lua) is a freshwater lake in County Cork with an area of 1.36 km² located beside Inchigeelagh and forms part of the River Lee.