Glenstal Abbey is a Benedictine monastery located in Murroe, County Limerick. It runs an all boys boarding school. It is dedicated to Saint Joseph and Saint Columba. The current abbot of the monastery is Patrick Hederman OSB. The abbey is located in and beside Glenstal Castle, a Normanesque castle built by the Barrington family. The picturesque grounds include lakes, forests and an old walled, terraced garden which features a "bible garden". The monastery houses a secondary school in its grounds, Glenstal Abbey School, home to over two hundred students, and a staff base of over fifty people