Lough Hyne
| Lough Hyne | |
|---|---|
| Loch Oighinn (Irish) | |
Aerial view of Lough Hyne from July 2019 | |
| Location | Carbery West, County Cork |
| Coordinates | 51°30′10″N 9°18′10″W / 51.50278°N 9.30278°W |
| Type | Sea lough, marine lake |
| Etymology | Irish: "lake of the cauldron" |
| Primary inflows | Barloge Creek, Celtic Sea |
| Primary outflows | Barloge Creek, Celtic Sea |
| Catchment area | 2.89 km2 (1.12 sq mi) |
| Basin countries | Ireland |
| Surface area | 0.6 km2 (150 acres) |
| Max. depth | 50 m (160 ft) |
| Residence time | 9 years |
| Salinity | 34.06 ± 0.543 ‰ |
| Surface elevation | Sea level |
| Islands | 1 (Castle Island) |
Lough Hyne (/lɒx ˈhaɪn/; Irish: Loch Oighinn, meaning 'lake of the cauldron') is a fully marine sea lough in West Cork, Ireland, about 5 km southwest of Skibbereen. It was designated as Ireland's first Marine Nature Reserve in 1981.