Lough Derg is the name of two lakes in Ireland:
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The River Shannon is the longest river in Ireland at 360.5 km. It drains the Shannon River Basin which has an area of 16,865 km2 (6,512 sq mi), one fifth of the area of Ireland.
Lough Derg or Loch Derg is a lake in County Donegal, Republic of Ireland. It is near the border with Northern Ireland and lies about 7 kilometres (4.3 mi) north of the border village of Pettigo. It is best known for St Patrick's Purgatory, a site of pilgrimage on Station Island in the lake.
Dromineer is a small village and townland in County Tipperary, Ireland. It is situated on the shores of Lough Derg on the River Shannon. The village is located 10 km north of Nenagh on the R495 road. It is a civil parish in the historical barony of Ormond Lower. Historic documents describe the places as "Dromynnyre".
The Shannon hydroelectric Scheme was a major development by the Irish Free State in the 1920s to harness the power of the River Shannon. Its product, the Ardnacrusha power plant, is a hydroelectric power station which is still producing power today and is located near Ardnacrusha within County Clare approximately 2.4 kilometres (1.5 mi) from the Limerick border. It is Ireland's largest river hydroelectric scheme and is operated on a purpose built headrace connected to the River Shannon. The plant includes fish ladders so that returning fish, such as salmon, can climb the river safely past the power station.
Shown here are all the major rivers and tributaries of Ireland with their lengths. Starting with the Northern Ireland rivers, and going in a clockwise direction, the rivers are listed in regard to their entry into the different seas: the Irish Sea, the Celtic Sea and the Atlantic Ocean. Also shown are two tables. Table 1 shows the longest rivers in Ireland with their lengths, the counties they flow through, and their catchment areas. Table 2 shows the largest rivers in Ireland in cubic metres per second.
Lough Derg, historically Lough Dergart, is a freshwater lake in the Shannon River Basin, Ireland. It is the third-biggest on the island of Ireland.
Lough Allen is a lake on the River Shannon in northeastern Connacht, Ireland. Most of the lake is in County Leitrim, with a smaller part in County Roscommon. The lake lies to the south of the River Shannon's source, near the Iron Mountains, and is the uppermost of the three main lakes on the river. The other two, Lough Ree and Lough Derg are much further to the south.
Lough Ree is a lake in the midlands of Ireland, the second of the three major lakes on the River Shannon. Lough Ree is the second largest lake on the Shannon after Lough Derg. The other two major lakes are Lough Allen to the north, and Lough Derg to the south, there are also several minor lakes along the length of the river. The lake serves as a border between the counties of Longford and Westmeath on the eastern side and County Roscommon in the province of Connacht on the western side. The lake is popular for fishing and boating. The lake supports a small commercial eel fishery and is locally famous for its eels on wheels truck. The town of Athlone is situated at the southern end of the lake, and has a harbour for boats going out on the lake. The small town of Lanesboro is at the northern end of the lake.
A lake-burst is a phenomenon referred to in Irish mythology, in which a previously non-existent lake comes into being, often when a grave is being dug. Part of the lake-burst stories may originate in sudden hydrographic changes around limestone-based inland plains or turloughs. Other so-called lake-bursts refer to marine estuaries, bays and inlets, such as Galway Bay, Strangford Lough, Dundrum Bay, Belfast Lough, Waterford Harbour and the mouth of the River Erne. Some of these coastal districts were renowned for the drowned prehistoric forests, which gave rise to several flood-myths.
Portumna is a market town in the south-east of County Galway, Ireland, on the border with and linked by a bridge to County Tipperary. The town is located to the west of the point where the River Shannon enters Lough Derg. This historic crossing point over the River Shannon between counties Tipperary and Galway has a long history of bridges and ferry crossings. On the south-western edge of the town lie Portumna Castle and Portumna forest park.
Saint Dabheog is the patron saint and a founder of a monastery on an island in Lough Derg, a lake in County Donegal, Ireland, near the town of Pettigo and shouldering the border of counties Donegal and Fermanagh. His feast day is 16 December.
The Shannon-One-Design sailing dinghy is a small sailing boat raced on the River Shannon and Loughs Ree and Derg in Ireland. The boats are 18 feet (5.5 m) long by 4 feet 10.5 inches (1.486 m) beam, drawing 4 feet (1.2 m) with her centreboard down. They have a sail area of 140 square feet (15.6m2) set in a single sail, giving the boat what is called a gunter rig.
The River Inny is a river within the Shannon River Basin in Ireland. It is 88.5 kilometres (55.0 mi) in length, and has a number of lakes along its course.
The R494 road is a regional road in Ireland which runs southwest-northeast from Junction 27 of the M7 at Birdhill, County Tipperary to the N52 at Nenagh - all in County Tipperary. It leaves the N7 and loops around the Arra Mountains between the hills and Lough Derg returning to what was the N7 in Nenagh.
The East Clare Way is a long-distance trail in County Clare, Ireland. It is a 180-kilometre (112-mile) long circular route that begins and ends in Killaloe. It is typically completed in eight days. It is designated as a National Waymarked Trail by the National Trails Office of the Irish Sports Council and is managed by East & Mid Clare Way Limited and the East Clare Way Committee.
The Lough Derg Way is a long-distance trail in Ireland. It is 68 kilometres long and begins in Limerick City and ends in Dromineer, County Tipperary. It is typically completed in three days. It is designated as a National Waymarked Trail by the National Trails Office of the Irish Sports Council and is managed by Shannon Development, Tipperary County Council and Tipperary Integrated Development Company. The trail was reconfigured and relaunched in 2011 with many sections taken off road aided by an investment of €115,000 under the Comhairle na Tuaithe Walks Scheme, which supports landowners to maintain trails that cross their land.
Lough Derg Yacht Club based at Dromineer in County Tipperary is reputedly one of the world’s oldest yacht clubs having been founded in 1835. It is one of two yacht clubs in Ireland with a fleet of Shannon-One-Design sailing dinghies. The club is based in a modern clubhouse on the lough shore.
Tulla Lower is a barony in County Clare, Ireland. This ancient geographical division of land is in turn divided into eight civil parishes.
The Shannon River Basin consists of the area containing Ireland's longest river, the River Shannon, and all of its tributaries and lakes. The official Ordnance Survey Ireland length of the Shannon from its Shannon Pot source is 224 miles (360 km) made up of 63.5 miles (102.2 km) tidal water flow and 160.5 miles (258.3 km) freshwater flow.