Lough Neagh

Lough Neagh, sometimes Loch Neagh, (/ˌlɒx ˈneɪ/) is a large freshwater lake in Northern Ireland. It is the biggest lake in Northern Ireland, supplying 40% of its water; the biggest on the island of Ireland, and the biggest in the British Isles. Its name comes from Irish: Loch nEathach, meaning "Lake of Eathach" .