Largest lakes & reservoirs in Northern Ireland Region, United Kingdom by acres
There is no widely-accepted minimum surface area that defines a lake. What LakeLubbers describes as a lake, you might call a pond. Acreage of a lake (or sometimes square kilometers) is most often measured at the top surface area when the lake is at normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America’s Lake Superior is the world’s largest freshwater lake by this measure.The other measure of a lake’s size is the lake’s water volume. By that measure, the world’s largest freshwater lake is Lake Baikal in Siberia.
You can find many of the world’s largest lakes (acres) on LakeLubbers in the comparison table below. Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so you may see fewer lakes than the total 7 articles we have published for Northern Ireland Region, United Kingdom lakes.
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Below are lakes within United Kingdom > Northern Ireland Region, United Kingdom > Compared by surface area in acres. This list does not represent all lakes in Northern Ireland Region, United Kingdom, only the 7 Northern Ireland Region, United Kingdom lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Lough Neagh (Antrim Region, Northern Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
96,865 ac | Also known as Lake Neagh, The Lough Nestled in the heart of Northern Ireland, Lough (Lake) Neagh is the largest freshwater lake in the British Isles. Covering over 96,800 acres with beau… |
| Lough Foyle (Ireland, Londonderry Region, Northern Ireland, North West Region, Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
44,232 ac | Also known as Loch Feabhail Standing on the stoop of his holiday cottage looking out over the water of Lough Foyle, he was struck by how closely the 44,000 acre estuary matched h… |
| Strangford Lough (Down Region, Northern Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
37,066 ac | Also known as Strangford Lake, Loch Cuan, Strangford Strangford Lough (Lake) is a 37,066-acre inland, tidal, salt water lake off the east coast of County Down in Northern Ireland. Separated from the Iris… |
| Lower Lough Erne (Fermanagh Region, Northern Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
26,934 ac | Also known as Lower Lake Erne, Lake Earne Lower Lough (Lake) Erne is one of several lakes on the beautiful River Erne in County Fermanagh, Northern Ireland. The River Erne begins in County Cav… |
| Upper Lough Erne (Fermanagh Region, Northern Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
8,525 ac | Also known as Upper Lake Erne Upper Lough Erne is a sparkling 8,525-acre lake on the scenic River Erne in County Fermanagh, Northern Ireland. The River Erne begins in County Cavan… |
| Lough MacNean (Fermanagh Region, Northern Ireland, Ireland, North West Region, Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
2,429 ac | Also known as Upper Lough MacNean, Lower Lough MacNean Lough MacNean, a freshwater lake (lough) surrounded by picturesque scenery, is often referred to by Upper Lough MacNean and Lower Lough MacNean. This… |
| Lough Beg (Antrim Region, Northern Ireland, Londonderry Region, Northern Ireland, Northern Ireland Region, United Kingdom, United Kingdom) |
1,178 ac | Also known as Loch Beag Lough Beg, a freshwater lake in the northeastern part of Northern Ireland, is located near the center of the province of Ulster and straddles two coun… |