The castle of
Ballyhannon, also known in later times as Castlefergus, most
likely from its proximity to the River Fergus, is a late
fifteenth century towerhouse of untypical internal design
within the context of the Co. Clare group of towerhouses.
The castle stands in the townland of Castlefergus close to
Latoon Creek, which itself feeds into the River Fergus.
Ballyhannon townlands (both north and south) lie to the
north east of the castle.