Lough Erne, sometimes Loch Erne , is the name of two connected lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

s in County Fermanagh

County Fermanagh

Fermanagh District Council is the only one of the 26 district councils in Northern Ireland that contains all of the county it is named after. The district council also contains a small section of County Tyrone in the Dromore and Kilskeery road areas....

, Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

. The lakes are widened sections of the River Erne

River Erne

The River Erne , in the northwest of Ireland, rises in Beaghy Lough, two miles south of Stradone in County Cavan and flows 64 miles through Lough Gowna, Lough Oughter and Upper and Lower Lough Erne, County Fermanagh, to the sea at Ballyshannon, County Donegal...

. The river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 begins by flowing north, and then curves west into the Atlantic. The southern lake is further up the river and so is named Upper Lough Erne. The northern lake is Lower Lough Erne. The town of Enniskillen

Enniskillen

Enniskillen is a town in County Fermanagh, Northern Ireland. It is located almost exactly in the centre of the county between the Upper and Lower sections of Lough Erne. It had a population of 13,599 in the 2001 Census...

 lies on the short stretch of the river between the lakes. The lakeside is high and rocky in some parts and, in addition to the 154 islands, there are many coves and inlets.