Shannon River Basin a measurement of . When added to the Shannon's estuary this gives a total river flow of , which makes it the longest river within the River Shannon basin (from source to mouth)— longer than the Shannon Pot source. Thus the Boyle-Shannon river can be regarded as having the longest natural river flow in Ireland. The River Shannon Basin touches more than half (17) of Ireland's counties:- Limerick, Clare, Tipperary, Offaly, Westmeath, Longford, Roscommon, Kerry, Galway, Leitrim, Cavan, Sligo, Mayo, Cork, Laois, Meath and Fermanagh. There are many towns situated in the Shannon Basin. Towns and Villages (with 2011 populations)
2014 All-Ireland Senior Football Championship 3-21 (30) Waterford : 0-18 (18) Wexford : 2-07 (13) Down : 2-22 (28) Louth : 0-15 (15) Limerick : 1-21 (24) Leitrim : 4-17 (29) Antrim : 2-13 (19) Wicklow : 3-13 (22) Longford : 0-20 (20) Derry : 0-18 (18) Offaly : 1-16 (19) Fermanagh : 2-14 (20) Westmeath : 2-19 (25) Carlow : 0-06 (06) Wicklow : 1-19 (22) Fermanagh : 2-18 (24) Westmeath : 0-14 (14) Cork : 2-13 (19) Longford : 2-08 (14) Clare : 3-09 (18) Leitrim : 1-19 (22) Laois : 0-19 (19) Kildare : 3-17 (26) Cavan : 2-13 (19) Waterford :