page_title: Rivers of Ireland
section_title: Rivers in the Republic of Ireland, flowing into the Atlantic Ocean
hierarchical_section_title: Rivers of Ireland / Rivers in the Republic of Ireland, flowing into the Atlantic Ocean
caption_attribution_description: Bridge over the River Shannon at Shannonbridge, Ireland
context_page_description: Shown here are all the major rivers and tributaries of Ireland with their lengths. Starting with the Northern Ireland rivers, and going in a clockwise direction, the rivers are listed in regard to their entry into the different seas: the Irish Sea, the Celtic Sea and the Atlantic Ocean. Also shown are two tables. Table 1 shows the longest rivers in Ireland with their lengths, the counties they flow through, and their catchment areas. Table 2 shows the largest rivers in Ireland in cubic metres per second.
  The longest river in Ireland is the River Shannon, at 360.5 kilometres. The river develops into three lakes along its course, Lough Allen, Lough Ree and Lough Derg. Of these, Lough Derg is the largest. The Shannon enters the Atlantic Ocean at the Shannon Estuary. Other major rivers include the River Liffey, River Lee, River Swilly, River Foyle, River Lagan, River Erne, River Blackwater, River Nore, River Suir, River Barrow, River Bann, River Slaney, River Boyne, River Moy and River Corrib.
context_section_description: With length in miles (and km)
  Roughty River 16.75 miles (26.96 km) (flowing into Kenmare Bay) at Kenmare
  River Laune 14 miles (23 km)
  River Flesk 28.25 miles (45.46 km)
  Gweestin River 13.75 miles (22.13 km)
  Caragh River 14 miles (23 km)
  River Inny (Kerry)  16.5 miles (26.6 km)
  Cummeragh River 9.5 miles (15.3 km)
  River Ferta
  River Carrowbeg
  River Maine 26.5 miles (42.6 km)
  Brown Flesk 19.75 miles (31.78 km)
  River Feale 46 miles (74 km)
  River Galey 27 miles (43 km)
  Allaghaun River 13.75 miles (22.13 km)
  Smerlagh (Smaorlagh) River 15.5 miles (24.9 km)
  Shanow River 15.25 miles (24.54 km)
  River Shannon 224 miles (360 km)
  Owenmore River (County Cavan) 9 miles (14 km)
  Arigna River 14 miles (23 km)
  Feorish River 19.5 miles (31.4 km)
  River Brosna 49.25 miles (79.26 km)
  Clodiagh River 24.25 miles (39.03 km)
  Tullamore River 12.5 miles (20.1 km)
  Silver River 24 miles (39 km)
  Bunowen River 16 miles (26 km)
  Little Brosna River 36 miles (58 km)
  River Camcor 16.25 miles (26.15 km)
  Ballyfinboy River 20.75 miles (33.39 km)
  Nenagh River 28.5 miles (45.9 km)
  Ollatrim River 18.5 miles (29.8 km)
  River Inny 55.5 miles (89.3 km)
  River Tang 15.5 miles (24.9 km)
  River Suck 82.5 miles (132.8 km)
  River Shiven 21.25 miles (34.20 km)
  Boyle River (Total) 40 miles (64 km)
  Boyle River 13.75 miles (22.13 km)
  Lung River 17.75 miles (28.57 km)
  Breedoge River 11.75 miles (18.91 km)
  Camlin River 27 miles (43 km)
  Mulkear River 15.25 miles (24.54 km)
  Bilboa River 19.5 miles (31.4 km)
  River Deel 39.5 miles (63.6 km)
  River Maigue 38.75 miles (62.36 km)
  River Fergus 36.5 miles (58.7 km)
  River Corrib 5.75 miles (9.25 km)
  Cregg River (via Lough Corrib)
  River Clare (via Lough Corrib) 57.75 miles (92.94 km)
  Grange River 17 miles (27 km)
  Abbert River 25.25 miles (40.64 km)
  River Black 17.75 miles (28.57 km)
  Aille River (Connacht) 18.5 miles (29.8 km)
  Baelanabrack River 11 miles (18 km)
  River Robe (via Loughs Mask and Corrib) 39.25 miles (63.17 km)
  River Clarin 19.75 miles (31.78 km)
  Kilcolgan River 9.5 miles (15.3 km)
  Dooyertha River 23.75 miles (38.22 km)
  Kinvarra River
  River Doonbeg 25.75 miles (41.44 km)
  River Inagh  22.75 miles (36.61 km)
  Carrowbeg River 10 miles (16 km)
  Bunowen River 13.25 miles (21.32 km)
  River Erriff 20.5 miles (33.0 km)
  Owenglin River 11.5 miles (18.5 km)
  Ballynahinch River 18.5 miles (29.8 km)
  Cashla River 13.25 miles (21.32 km)
  Owenboliska River 13.25 miles (21.32 km)
  Glenamoy River 13.75 miles (22.13 km)
  Cloonaghmore River 19.75 miles (31.78 km)
  Owenmore River (County Mayo) (incl. Carrowmore Lake) 29.25 miles (47.07 km)
  Owenduff River 17.75 miles (28.57 km)
  Newport River 18.25 miles (29.37 km)
  River Moy 62.5 miles (100.6 km)
  Deel River 28 miles (45 km)
  Manulla River 19 miles (31 km)
  Gweestion River 23 miles (37 km)
  Owengarve River 16 miles (26 km)
  River Glore 17 miles (27 km)
  Easky River, County Sligo 18.5 miles (29.8 km)
  Ballisodare River 5.5 miles (8.9 km)
  Owenmore River (County Sligo) 32.5 miles (52.3 km)
  Owenbeg River 14.75 miles (23.74 km)
  Unshin River 14.25 miles (22.93 km)
  River Garavogue (including L. Gill and R. Bonnet) 31.5 miles (50.7 km)
  River Erne 80 miles (130 km) — mainly formed by Upper and Lower Lough Erne in County Fermanagh, Northern Ireland
  River Annalee 41.75 miles (67.19 km)
  River Cladagh (including Arney) 22 miles (35 km)
  Sillees River 33 miles (53 km)
  River Ballinamallard 16 miles (26 km)
  River Swanlinbar 18 miles (29 km)
  River Woodford 18.5 miles (29.8 km)
  Dromore River 23.25 miles (37.42 km)
  Yellow River 17.25 miles (27.76 km)
  Colebrooke River 35 miles (56 km)
  River Finn (Erne tributary) 31.5 miles (50.7 km)
  Owenea River 16.25 miles (26.15 km)
  Oily River 13 miles (21 km)
  Bungosteen River 15.5 miles (24.9 km)
  Ballintra River 14 miles (23 km)
  River Eske 15.25 miles (24.54 km)
  River Gweebarra 19.75 miles (31.78 km)
  River Swilly 25.5 miles (41.0 km)
caption: River Shannon
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