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List of rivers of Ireland

This is an alphabetical list of the main rivers on the island of Ireland. It includes rivers that flow through the Republic of Ireland and Northern Ireland. Rivers that flow through Northern Ireland are marked with an asterisk (*). There are over 70,000&nbsp;km of waterways in the Republic of Ireland contained in 3,192 river water bodies including rivers, streams, and tributaries. 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 km<sup>2</sup>). 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&nbsp;km<sup>2</sup>.
  • The River Shannon's overall length (to Loop Head), using the Owenmore River (County Cavan) as source, is , 11&nbsp;km (7&nbsp;mi) longer than the Shannon Pot source.
  • The River Shannon's overall length (to Loop Head), using the Boyle River's furthest source, is , making the Boyle-Shannon river the longest natural stream flow (source to sea) in Ireland, 31.6&nbsp;km (19.5&nbsp;mi) 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 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&nbsp;km<sup>2</sup>.

c

  • The traditional length given for the River Bann is 80&nbsp;miles (129&nbsp;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&nbsp;km (115.75&nbsp;mi), surpassed, in Ireland, only by the Shannon and Barrow rivers. This is the longest stream flow (source to sea) in Ulster.

d

Largest Irish Rivers (by flow)

TABLE 2

<sup>a</sup> The River Shannon's 209 m<sup>3</sup>/s is to Limerick City (Catchment area: 11,700&nbsp;km<sup>2</sup>). If the discharges from all of the rivers and streams into the Shannon Estuary (including the rivers Feale 34.6m<sup>3</sup>/s, Maigue 15.6m<sup>3</sup>/s, Fergus 25.7m<sup>3</sup>/s, and Deel 7.4m<sup>3</sup>/s) are added to the discharge at Limerick giving a total catchment of 16,865&nbsp;km<sup>2</sup>, the total discharge of the River Shannon at its mouth at Loop Head reaches 300 m<sup>3</sup>/s

<sup>b</sup> The River Bann's 92 m<sup>3</sup>/s is to Movanagher Gauging station (Basin area 5209.8&nbsp;km<sup>2</sup>). The 102.5 m<sup>3</sup>/s is based on the total basin area of 5808&nbsp;km<sup>2</sup> .

<sup>c</sup> The Three Sisters (Barrow, Nore & Suir) total flow into Waterford Harbour is 154 m<sup>3</sup>/s and the combined flow of the Barrow and Nore rivers is 86 m<sup>3</sup>/s before joining the river Suir near Waterford City.

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Y

  • Yellow River

See also

References

External sources