this article is an alphabetical list of loughs on the island of ireland. it also shows a table of the largest lakes in ireland. the word lough is pronounced loch and comes from the irish loch, meaning lake. the list below contains only those loughs that are of geographic, geological or historical importance and almost all of them are over a square kilometre in area.. the list includes loughs that are situated within northern ireland and the republic of ireland. those partly or wholly within northern ireland are marked with an asterisk (*). ==largest irish lakes== the largest freshwater loughs in ireland are:ordnance survey ireland: mountains, rivers and lakesfishing in ireland, lough derguk environmental change network, lough erne {| class="wikitable sortable" ! rank !! lake !!area (kmÂ²)!!mean depth (m)!! max depth (m) !! volume x 106m3 !! shoreline (km)ordnance survey ireland generalised rivers & lakes dataset (attribute table) !! province or county |- | 1 || lough neagh* ||396|| 9.0 || 25 || 3,528 || 186 || ulster |- | 2 || lough corriblagarosiphon major â an aggressive invasive species in lough corrib ||176|| 6.5 || 50.9 || 1,158 || 392 || galway and mayo |- | 3 || lough derg (shannon)world lake database ||130|| 7.6 || 36 || 988 || 229 || tipperary, clare and galway |- | 4 || lower lough erne*heavily modified water bodies â north western river basin district p.31  ||109|| 11.9 || 69 || 1,300 || 270 || fermanagh |- | 5 || lough reeworld lake database ||105|| 6.2 || 35 || 651 || 192 || roscommon, longford and westmeath |- | 6 || lough maskmayo county council p.8 ||83|| 15.0 || 58 || 1,300mayo county council p.12 || 192 || mayo and galway |- | 7 || lough connâthe trophic status of lough connâ p.7 by mayo county council ||50|| 7.0 || 34 || 350 || 108 || mayo |- | 8 || lough allenepa p158 ||35|| 10.9 || 42.7 || 391 || 53 || [[count
Lists_of_lakes_by_country Lists_of_lakes_of_the_United_Kingdom Lists_of_landforms_of_Ireland Lists_of_landforms_of_the_United_Kingdom Northern_Ireland_geography-related_lists