Lough Derg (Shannon)

The Lough Derg (irish hole Deirgeirt " red lake ") is a lake in the middle west of the island of Ireland. After Lough Neagh ( Northern Ireland ) and the Lough Corrib ( County Galway ) it is the third largest lake in Ireland.


Lough Derg is in addition to the Lough Allen and Lough Ree one of the three lakes for which the Shannon expands in its course. The Lough Derg is located in the lower reaches of the Shannon, south-east of Slieve Aughty Mountains and borders the counties Galway, Clare and Tipperary.

Its maximum north - south distance is between the towns of Portumna and Killaloe in the north to the south 35 km away. The maximum width of 13 km, measure the Lough with its southern reaches of the section of the Scariff - Youghal Bay. The average width is smaller than 5 km. The lowest point is at Parker Point; there falls a small ditch from up to 36 m. In the north of the lake there are extensive areas of shallow water. In the overgrown with reed pens he has an average water depth of 4 m.

The tributary of the Shannon is located at Portumna, the drain is at Killaloe. On the east bank, near the village Dromineer, joins the River Nenagh in the lake.

There are also a number of uninhabited islands in the lake. The 0.61 km ² largest island is called Illaunmore. The most famous is Holy Iceland, Irish Inis Cealtra; stand on it the ruins of an abbey, dating from the 7th century, a Bullaun and a round tower.

Map Lough Derg