The Cistercian Abbey near Cappoquin in County Waterford is to close in January due to the falling number of vocations and ageing communities.
Mt Melleray was founded in 1883 on the slopes of the Knockmealdowns
The order confirmed the closure this morning with the remaining monks in Melleray relocating to Mount St Joseph in Roscrea.
Monks from Mellifont in Co Louth will also be moving to North Tipperary.