The River Shannon is the major river on the island of Ireland, and at 360.5 km in length, is the longest river in the British Isles. It drains the Shannon River Basin, which has an area of 16,865 km2 (6,512 sq mi), – approximately one fifth of the area of Ireland.
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.
The River Corrib in the west of Ireland flows from Lough Corrib through Galway to Galway Bay. The river is among the shortest in Europe, with only a length of six kilometres from the lough to the Atlantic. It is popular with local whitewater kayakers as well as several rowing clubs and pleasure craft. The depth of this river reaches up to 94 feet.
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 Ree, translated to English as King's Lake or King Lake, 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.
The River Bann is the longest river in Northern Ireland, its length, Upper and Lower Bann combined, being 129 km (80 mi). However, the total length of the River Bann, including its path through the 30 km (19 mi) long Lough Neagh is 159 km (99 mi). Another length of the River Bann given is 90 mi. The river winds its way from the southeast corner of Northern Ireland to the northwest coast, pausing in the middle to widen into Lough Neagh. The River Bann catchment has an area of 5,775 km2. The River Bann has a mean discharge rate of 92 m3/s. According to C. Michael Hogan, the Bann River Valley is a settlement area for some of the first human arrivals in Ireland after the most recent glacial retreat.
The River Erne in the northwest of the island of Ireland, is the second-longest river in Ulster, flowing through Northern Ireland and the Republic of Ireland, and forming part of their border.
Tuamgraney is a village in eastern County Clare in the west of Ireland and a civil parish by the same name. Situated a kilometre from the River Graney which flows into Lough Derg, it is an ancient settlement, noted for St Cronán's Church, said to be the oldest church in constant use in Ireland
Pettigo, also spelt Pettigoe, is a small village and townland on the border of County Donegal, Republic of Ireland, and County Fermanagh, Northern Ireland. It is bisected by the Termon River which is part of the border between the Republic of Ireland and Northern Ireland.
The River Finn is a river in the west of Ulster, the northern province in Ireland. The river mainly flows through County Donegal, part of the Republic of Ireland, while a short stretch of the river also partially flows through County Tyrone, part of Northern Ireland. From Lough Finn, the river goes to Ballybofey and Stranorlar before joining the River Mourne at Lifford and Strabane.
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 River Clare is a river in counties Mayo and Galway in Ireland.
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 M7 and loops around the Arra Mountains between the hills and Lough Derg returning to what was the N7 in Nenagh.
The Boyle River is a river in Ireland. Forming part of the Shannon River Basin, it flows from Lough Gara on the Sligo/Roscommon county border and thence through the town of Boyle to Lough Key. From there is continues eastwards through the village of Knockvicar to the River Shannon at Lough Drumharlow, near Carrick-on-Shannon. The length of the Boyle River is 64.4 km (40mi). The area of its basin is 725 km2.
The Lough Derg Way is a long-distance trail in Ireland. It is 68 kilometres long, beginning in Limerick City and ending in Dromineer, County Tipperary. It is typically completed in three days.
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.
Lough Graney is a lake in County Clare, Ireland. The lake's outlet is the short River Graney, which flows through Lough O'Grady and past the town of Scarriff into the west side of Lough Derg.
