The list of lakes, lochs, loughs and llyns of the United Kingdom is a link page for some large lakes of the United Kingdom (England, Scotland, Wales and Northern Ireland), including lochs fully enclosed by land.
Lakes in Scotland are called lochs, and in Northern Ireland loughs (pronounced the same way, i.e. (/lɒx/)). In Wales a lake is called a llyn. The words "loch" and "lough", in addition to referring to bodies of freshwater ("lakes"), are also applied to bodies of brackish water or seawater, which in other countries or contexts may be called fjord, firth, estuary, bay etc. In particular, the term "sea-loch" is used in Scotland in this way, as the English language equivalent of 'fjord'. (There are many examples, including Loch Carron, Loch Torridon etc.)
Some of the largest lakes in England and Wales are man-made reservoirs, or lakes whose size has been increased by damming.
This table includes the ten largest fresh water bodies by area. Lough Neagh is the largest water body in the UK by this measure, although Loch Ness is the largest by volume and contains nearly double the amount of water in all the lakes of England and Wales combined. Loch Morar is the deepest of the UK's lakes and Loch Awe the longest. Murray and Pullar (1910) note that the mean depth of Loch Ness is 57.4% of the maximum depth – higher than in any other large deep loch in Scotland. The deepest lake in England is Wast Water which descends to 76 metres (249 ft).
|Name||Location||Area (mi²)||Area (km²)||Volume (km³)||Length (km)||Max. depth (m)||Mean depth (m)|
|Lough Neagh||Northern Ireland||147.87||383||3.528||30||25||9|
|Lower Lough Erne||Northern Ireland||42.28||109.5||1.3||29||62||11.9|
|Upper Lough Erne||Northern Ireland||13.3||34.5||< 0.35||19||< 60||2.3|
|Lake||Area (sq mi)|
These are largely 'natural' but some have minor modifications to regulate their outflow.
|Lake||Area (sq mi)|
|Lake||Area (sq mi)||Location|
|Chew Valley Lake||1.88||England|
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