The Three Sisters ( ga, An Triúr Deirfiúr) are three rivers in

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

: the

River Barrow The Barrow ( ga, 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 ri ...

, the

River Nore The River Nore ( ga, An Fheoir ) is one of the principal rivers (along with the River Suir and River Barrow) in the South-East Region of Ireland. The river drains approximately of Leinster and Munster, that encompasses parts of three counti ...

and the

River Suir The River Suir ( ; ga, an tSiúr or ''Abhainn na Siúire'' ) is a river in Ireland that flows into the Atlantic Ocean through Waterford after a distance of . The catchment area of the Suir is 3,610 km2.

. The Suir and Nore rise in the same mountainous area in

County Tipperary County Tipperary ( ga, Contae Thiobraid Árann) is a county in Ireland. It is in the province of Munster and the Southern Region. The county is named after the town of Tipperary, and was established in the early 13th century, shortly after th ...

, near the

Devil's Bit The Devil's Bit or Devil's Bit Mountain (, historically anglicized as 'Barnane Ely') is a large hill in County Tipperary, Ireland, which rises to . It lies north-west of the town of Templemore. The mountain is usually climbed through the townla ...

, while the Barrow rises in the

Slieve Bloom Mountains The Slieve Bloom Mountains ( ga, Sliabh Bladhma; la, Bladinae montes) is a mountain range in Ireland. They rise from the central plain of Ireland to a height of 527 metres. While not very high, they are extensive by local standards. The high ...

County Laois County Laois ( ; gle, Contae Laoise) is a county in Ireland. It is part of the Eastern and Midland Region and in the province of Leinster. It was known as Queen's County from 1556 to 1922. The modern county takes its name from Loígis, a medie ...

. The Nore flows into the Barrow about 17 km before the Suir and Barrow join to form an estuary called

Waterford Harbour Waterford Harbour ( gle, Loch Dá Chaoch / Cuan Phort Láirge) is a natural harbour at the mouth of the Three Sisters; the River Nore, the River Suir and the River Barrow in Ireland. It is navigable for shipping to both Waterford and New Ross ...

east of the city of

Waterford "Waterford remains the untaken city" , mapsize = 220px , pushpin_map = Ireland#Europe , pushpin_map_caption = Location within Ireland##Location within Europe , pushpin_relief = 1 , coordinates ...

. The rivers fan out to

drain Drain may refer to: Objects and processes * Drain (plumbing), a fixture that provides an exit-point for waste water or for water that is to be re-circulated on the side of a road * Drain (surgery), a tube used to remove pus or other fluids from ...

a large portion of the southern part of the island, including Counties

Tipperary Tipperary is the name of: Places *County Tipperary, a county in Ireland **North Tipperary, a former administrative county based in Nenagh **South Tipperary, a former administrative county based in Clonmel *Tipperary (town), County Tipperary's na ...

Carlow Carlow ( ; ) is the county town of County Carlow, in the south-east of Ireland, from Dublin. At the 2016 census, it had a combined urban and rural population of 24,272. The River Barrow flows through the town and forms the historic bounda ...

Kilkenny Kilkenny (). is a city in County Kilkenny, Ireland. It is located in the South-East Region and in the province of Leinster. It is built on both banks of the River Nore. The 2016 census gave the total population of Kilkenny as 26,512. Kilken ...

Wexford Wexford () is the county town of County Wexford, Ireland. Wexford lies on the south side of Wexford Harbour, the estuary of the River Slaney near the southeastern corner of the island of Ireland. The town is linked to Dublin by the M11/N11 N ...

and

, among others. The lengths of the three rivers of the Three Sisters are the Barrow - 192 km (119 mi), the

Suir The River Suir ( ; ga, an tSiúr or ''Abhainn na Siúire'' ) is a river in Ireland that flows into the Atlantic Ocean through Waterford after a distance of . The catchment area of the Suir is 3,610 km2.

- 185 km (115 mi) and the Nore - 140 km (87 mi). The combined catchment area of the Three Sisters is 9,207 km², made up of the Suir's (3,610 km²), the Barrow's (3,067 km²) and the Nore's (2,530 km²).South Eastern River Basin District Management System. Page 38 The combined long term average flow rate of the Three Sisters into Waterford Harbour is 157 m³/s, almost half of which is made up of the Suir's (76.9 m³/s), followed by the Nore's (42.9 m³/s) and the Barrow's (37.4 m³/s). The

Barrow Bridge Barrow rail bridge, (or the Barrow viaduct), is a pratt truss type of railway bridge that spans the river Barrow between County Kilkenny and County Wexford in the south east of Ireland. This rural landmark with a length of is the longest ...

crosses two of the Three Sisters, the Nore and the Barrow. They then join the River Suir just

downstream Downstream may refer to: * Downstream (bioprocess) * Downstream (manufacturing) * Downstream (networking) * Downstream (software development) * Downstream (petroleum industry) * Upstream and downstream (DNA), determining relative positions on DNA ...

of the

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

. This place is known in

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

as ''Cumar na dTrí Uisce'', "the

confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...

of the three waters". The Nore joins the Barrow some four kilometres north of

New Ross New Ross (, formerly ) is a town in southwest County Wexford, Ireland. It is located on the River Barrow, near the border with County Kilkenny, and is around northeast of Waterford. In 2016 it had a population of 8,040 people, making it the ...

and the combined waters of the three sisters that can be seen from Cheekpoint. The combined waters of all three sisters are then visible all the way down the estuary from Cheekpoint on. In

ancient Ancient history is a time period from the History of writing, beginning of writing and recorded human history to as far as late antiquity. The span of recorded history is roughly 5,000 years, beginning with the Sumerian language, Sumerian c ...

times, the area bounded by the Suir and the Barrow formed the

Kingdom Kingdom commonly refers to: * A monarchy ruled by a king or queen * Kingdom (biology), a category in biological taxonomy Kingdom may also refer to: Arts and media Television * ''Kingdom'' (British TV series), a 2007 British television drama s ...

Ossory Osraige (Old Irish) or Osraighe (Classical Irish), Osraí (Modern Irish), anglicized as Ossory, was a medieval Irish kingdom comprising what is now County Kilkenny and western County Laois, corresponding to the Diocese of Ossory. The home of ...

. This name is retained today for

diocese In Ecclesiastical polity, church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided Roman province, pro ...

s in both the

Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

and the

Church of Ireland The Church of Ireland ( ga, Eaglais na hÉireann, ; sco, label= Ulster-Scots, Kirk o Airlann, ) is a Christian church in Ireland and an autonomous province of the Anglican Communion. It is organised on an all-Ireland basis and is the second ...

. The first, the gentle Shure that making way By sweet Clonmell, adorns rich Waterford; The next, the stubborne Newre, whose waters gray, By faire Kilkenny and Rosseponte boord, The third, the goodly Barow, which doth hoorde Great heaps of Salmons in his deepe bosome: All which long sundred, doe at last accord To ioyne in one, ere to the sea they come, So flowing all from one, all one at last become. Excerpt from Edmund Spencer's Irish rivers . 1552-1559

References

External links

Guide to navigating the Three Sisters estuary (from the Inland Waterways Association of Ireland)
{{DEFAULTSORT:Three Sisters Rivers of County Carlow Rivers of County Kilkenny Rivers of County Waterford Rivers of County Tipperary