The Barrow (Irish: An Bhearú) is a river in Ireland. It is one of The Three Sisters; the other two being the River Suir and the River Nore. The Barrow is the longest of the three rivers, and at 192 km (120 mi), the second-longest river in Ireland, behind the River Shannon. The catchment area of the River Barrow is 3,067 km2 before River Nore joins it a little over 20 km before its mouth. The river's long term average flow rate, again before it is joined by River Nore, is 37.4 cubic metres per second. At the merger with the River Suir, its catchment area is ca. 5,500 km2 and its discharge over 80 m3/s.
|Native name||An Bhearú|
|Counties||Laois, Kildare, Kilkenny, Carlow, Wexford, Waterford|
|Source||Slieve Bloom Mountains|
|⁃ location||Glenbarrow, Laois|
|⁃ elevation||350 m (1,150 ft)|
|Waterford Harbour, Waterford|
|Length||192 km (119 mi)|
|Basin size||3,067 km2 (1,184 sq mi)|
|⁃ average||37.4 m3/s (1,320 cu ft/s)|
|River system||Three Sisters|
|⁃ right||River Nore, River Suir|
Among the towns that the River Barrow passes through on its way to the sea beyond Waterford are Portarlington, Monasterevin, Athy, Carlow/Graiguecullen, Muine Bheag (Bagenalstown), Graiguenamanagh and New Ross.
The river forms a natural border between, on its right bank, counties Kilkenny and Waterford and, on its left bank, counties Carlow and Wexford.
Ptolemy's Geography (2nd century AD) described a river called Βιργος (Birgu); it could be linked to the Proto-Indo-European *bʰergʰ- "to hide, to protect," referring to Waterford Harbour as a place of refuge.
The name Berbha is believed to derive from the Proto-Celtic *boru- ("boil", "bubble"), and is associated with Borvo, the Celtic god of minerals and spring water. Later spellings include Berba, Birga, Baruwe and Berrowe.
The river's name is attributed to the action of Dian Cecht when he slew three serpents found in the heart of The Morrígan's infant son and threw them into the Barrow, thus causing it to boil. The earliest recorded name for the river is Berbha, from an AD 996 entry in the Annals of the Four Masters.
- Sloighedh la Domhnall ua Néill co Laighnibh co ros-indir o Bherbha siar go fairrge, & do-bert bóromha mhór lais, & do-rad forbhais for Ghallaibh, & for Laighnibh co cenn da mhíos. As don chur-sin torchair Fionn, mac Goirmghiolla, Dunghal mac Dúnghaile I Riagáin, & Ronán, mac Bruadair, mic Duibhgiolla, & aroile saor-chlanna do Laighnibh amaille friu.
- An army was led by Domnall ua Néill into Leinster; and he plundered from the Berbha eastwards to the sea; and he carried off a great prey of cattle; and he laid siege to the Norsemen and the Leinstermen for two months. On this occasion were slain Fionn, son of Goirmghilla; Dunghal, son of Dunghal Ua Riagain; Ronan, son of Bruadar, son of Duibhghilla, and other nobles of the Leinstermen along with them.
The River Barrow forms a major part of Ireland's inland waterways network, providing an inland link between the port of Waterford and the Grand Canal, which in turn connects Dublin to the River Shannon. There are three sections to the navigation:
- The tidal River Barrow, which together with the tidal reaches of its tributaries, the River Suir and River Nore, constitute 88 km (55 miles) of tidal river navigation.
- The non-tidal river navigation featuring 23 locks, continuing 66 km (41 miles) inland from the tidal limit of the Barrow at St Mullin's to Athy.
- The Barrow Line of the Grand Canal connects to the river at Athy and continues northwards a further 45 km (28 miles) with 9 locks, connecting to the mainline of the Grand Canal at Lowtown, and so to Dublin.
It is common for people to kayak or swim in the Barrow in the summer months.
- South Eastern River Basin District Management System. Page 38 Archived 2016-03-03 at the Wayback Machine
- "Ireland" (PDF). www.romaneranames.uk. Retrieved 4 May 2019.
- Freeman, Philip (28 June 2010). "War, Women, and Druids: Eyewitness Reports and Early Accounts of the Ancient Celts". University of Texas Press – via Google Books.
- "An Bhearú/River Barrow". Logainm.ie.
- Shaw, John. "Indo-European Dragon-Slayers and Healers, and the Irish Account of Dian Cécht and Méiche". Cite journal requires
- "Annals of the Four Masters". www.ucc.ie.
- Falkiner, Caesar Litton (1904). Illustrations of Irish history and topography, mainly of the seventeenth century. London: Longmans, Green, & Co. p. 117. ISBN 1-144-76601-X.
- Ball, Jamie (8 July 2018). "Going with the flow on the River Barrow: Could this really be just 1.5 hours from Dublin?". Independent.ie. Retrieved 31 January 2020.
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