Fairy fort / stone ringfort in Casheltauna

Fairy fort / stone ringfort in Casheltauna is a fairy fort or stone ringfort in Casheltauna, County Roscommon, Ireland. It occupies the east edge of a broad plateau as a D-shaped grass-covered area measuring twenty-two point eight metres north-south and twenty-two point one metres east-west. A grass-covered stone spread two to three point eight metres wide and zero point two to zero point four metres high defines the perimeter, with occasional facing stones one point three metres wide at the east. An external quarry ditch five metres wide at the top and zero point three metre deep runs south-northwest, though the northern boundary is truncated sixteen metres by the south bank of an east-west road.