Glenstal Abbey is a Benedictine monastery of the Congregation of the Annunciation located in Murroe, County Limerick. It is dedicated to Saint Joseph and Saint Columba. The current abbot of the monastery is Dom 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 runs an all-boys boarding secondary school on its grounds, Glenstal Abbey School, home to approximately two hundred students.
Coordinates: 52°39′42″N 8°23′17″W / 52.66167°N 8.38806°W