Laois hills & mountains Map featuring Laois mountains. Click on pins to view mountain details. The mountain guide has 12 mountains listed in Laois, Ireland. Arderin Ballaghmore Hill Baunreaghcong Caponellan Hill Carrigeen Hill Castleconor Clogrennan Hill Cullenagh Mountain Fossy Mountain Garraunbaun Hewson Hill Ridge of Capard