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)
County Offaly covering radio, print and online. The radio station that covers Offaly is Midlands 103 which broadcasts across three counties, Offaly, Laois and Westmeath. The main online resource for news and sport for the county is the Offaly Express, www.offalyexpress.ie The print edition of the newspaper ceased publication in July 2012. The three main newspapers are the Midland/Tullamore Tribune, Offaly independent and Offaly Topic. The Midland/Tullamore Tribune and the Offaly Topic are published each Wednesday while the Offaly Independent is distributed across the county on Fridays. The 2006 population figure for County Offaly is the highest for the county since 1881.