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This is an alphabetical list of the main rivers in Ireland as a whole. It includes rivers that flow through the Republic of Ireland and Northern Ireland. Rivers that flow through Northern Ireland are marked with an asterisk ( *). The major rivers have their length (in miles and kilometres) given. Also shown are two tables. ''Table 1'' shows the longest rivers in Ireland with their lengths (in miles and kilometres), the counties they flow through, and their catchment areas (in km2). ''Table 2'' shows the largest rivers in Ireland (by mean flow) in cubic meters per second. == Longest Irish Rivers (with Basin areas) == Lengths obtained from the Ordnance Survey of Ireland: ''Rivers and their Catchment Basins 1958'' (Table of Reference), and for the rivers Bann and Erne - ''Notes on River Basins'' by Robert A. Williams TABLE 1 a * The length of the River Shannon from the Shannon Pot to Limerick City is 〔 with a basin area of 11,700 km2. * The River Shannon's overall length (to Loop Head), using the Owenmore River (Glangevlin) as source, is ,〔Shannon River Basin: Furthest sourceShannon River Basin#Furthest sources〕 11 km (7 ml) longer than the Shannon Pot source. * The River Shannon's overall length (to Loop Head), using the Boyle River's furthest source, is ,〔Boyle River (Ireland)〕 making the Boyle-Shannon river the ''longest natural stream flow (source to sea) in Ireland'', 31.6 km (19.5 ml) longer than the Shannon Pot source. * The River Shannon is a traditional freshwater river for just about 45% of its total length. Excluding the tidal estuary from its total length of , if one also excludes the lakes (L. Derg , L. Ree , L. Allen 〔(Ask about Ireland )〕 plus L. Boderg, L. Bofin, L. Forbes, L. Corry) from the Shannon's freshwater flow of , the Shannon as a freshwater river is only about long. b * The total basin area of the Three Sisters (Barrow, Nore and Suir) is 9,207 km2. c * The traditional length given for the River Bann is 80 miles (129 km) which is the combined total length of Upper and Lower Bann rivers and doesn't include Lough Neagh. * The total length of the Ulster Blackwater from its source to the sea via L. Neagh and the Lower Bann is 186.3 km (115.75 mi),〔Ulster BlackwaterRiver Blackwater, Northern Ireland〕 surpassed, in Ireland, only by the Shannon and Barrow rivers. This is the longest stream flow (source to sea) in Ulster.〔(European Commission Rivers Map )〕 d * The total basin area of the 6 km River Corrib is 3,138 km2〔 * The total length of the River Robe's journey from its source near Ballyhaunis to Galway Bay (via Lough Mask, Cong canal and river, Lough Corrib and River Corrib) is .〔River Robe〕 This is the longest stream flow (source to sea) within the Corrib Basin.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of rivers of Ireland」の詳細全文を読む スポンサード リンク
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