This site generates income via partnerships with carefully selected travel brands and/ or purchases made through links to them. As an Amazon Associate I earn from qualifying purchases. See why this is important.Hore Abbey framed by gravestones at the Rock of Cashel. This 13th century abbey was the last pre-Reformation Cistercian abbey in Ireland. This is the only Cistercian monastery in Ireland with the cloister positioned to the north of the abbey, possibly due to the presence of the nearby Rock of Cashel.