Waterford Harbour is a natural harbour at the mouth of the Three Sisters

The Three Sisters (Ireland)

The Three Sisters are three rivers in Ireland: the River Barrow, the River Nore and the River Suir. The Suir and Nore rise in the same mountainous area in County Tipperary, near the Devil's Bit, while the Barrow rises in the Slieve Blooms Mountains in County Laois. All three join the sea in the...

; the River Nore

River Nore

The River Nore is a long river located in south-east of Ireland. Along with the River Suir and River Barrow, it is one of the constituent rivers of the group known as the Three Sisters. The river drains approximately of Leinster. The river rises in the Devil's Bit Mountain, North Tipperary...

, the River Suir

River Suir

The River Suir is a river in Ireland that flows into the Atlantic Ocean near Waterford after a distance of .Popular with anglers, it holds plentiful reserves of brown trout...

 and the River Barrow

River Barrow

The Barrow 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 and most prominent of the three rivers...

 in Ireland

Republic of Ireland

Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

. It is navigable for shipping to both Waterford

Waterford

Waterford is a city in the South-East Region of Ireland. It is the oldest city in the country and fifth largest by population. Waterford City Council is the local government authority for the city and its immediate hinterland...

 and New Ross

New Ross

New Ross is a town located in southwest County Wexford, in the southeast of Ireland. In 2006 it had a population of 7,709 people, making it the third largest town in the county after Wexford and Enniscorthy.-History:...

. The Port of Waterford

Port of Waterford

The Port of Waterford is situated several kilometres downstream of Waterford City on the northern side of the Suir river in South County Kilkenny, and is called Belview...

 is capable of accommodating vessels up to 32,000 tons dwt

DWT

DWT may stand for:* Driving While Texting, Is the act of composing, sending, or reading text messages, email, or making other similar use of the internet on a mobile device, while operating a motor vehicle, such as an automobile, truck or train....

. It separates County Waterford

County Waterford

*Abbeyside, Affane, Aglish, Annestown, An Rinn, Ardmore*Ballinacourty, Ballinameela, Ballinamult, Ballinroad, Ballybeg, Ballybricken, Ballyduff Lower, Ballyduff Upper, Ballydurn, Ballygunner, Ballylaneen, Ballymacarbry, Ballymacart, Ballynaneashagh, Ballysaggart, Ballytruckle, Bilberry, Bunmahon,...

 from County Wexford

County Wexford

County Wexford is a county in Ireland. It is part of the South-East Region and is also located in the province of Leinster. It is named after the town of Wexford. In pre-Norman times it was part of the Kingdom of Uí Cheinnselaig, whose capital was at Ferns. Wexford County Council is the local...

 on the eastern side of the estuary.

Dunmore East

Dunmore East

Dunmore East is a popular tourist and fishing village village in County Waterford, Ireland. Situated on the west side of Waterford Harbour on Ireland's southeastern coast, it lies within the barony of Gaultier : a reference to the influx of Norman settlers in the area.-History:Iron Age people...

 is a fishing village and popular holiday resort situated on the west side of the harbour and is generally considered to be the western limit. On the west side, there is also a headland called Craden Head

Craden Head

Creadan Head is a headland on a small peninsula on the west side of Waterford Harbour, about three miles upriver from Dunmore East, in the Ireland. Of uncertain meaning and presumed to be an individual's name, it is the most easterly point in Waterford. Historically, it was part of the "main road"...

  The eastern limit is Hook Head

Hook Head

Hook Head is a headland in County Wexford, Ireland located on the east side of the estuary of the three sisters rivers . It is part of the Hook peninsula and is adjacent to the historic townland of Loftus Hall...

, marked by the Hook Lighthouse

Hook Lighthouse

The Hook Lighthouse is a building situated at the tip of the Hook Peninsula in County Wexford, in Ireland. It is one of the oldest lighthouses in the world, and the oldest operating lighthouse in the British Isles...

, on the Hook peninsula.