|Location||Parish of Rathborney, the Burren|
|Periods||unknown but likely early Medieval|
The ringfort has an internal diameter of around 100 feet (200 feet including the moat) and is in good condition, although trees grow on much of the structure. The ramparts were built with the earth dug out of the moat, which still fills with water after rain.:22
The walls were originally even higher, and the moat deeper, than they are now. The embankment was most likely topped by a wooden palisade.:96
The national monument including Ballyallaban ringfort, number 648, actually consists of two separate forts: the earthen Ballyallaban ringfort, and the nearby stone fort of Cahermore.
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