Kilmacrennan friary was built in 1537 by the clan leader Manus O’Donnell for the Franciscan friars on the site of a previous monastery of the 6th century. It is said that at this early monastery Colmcille was educated by his foster father Cruithneachain O’Ceallachain, a priest who gave him the religious education, in 528. This monastery survived until 1129.
Very little of the friary remains apart from some parts of the south wall and east wall. Some grave slabs on the ground are within the ruins along with ancient stone crosses in the surrounding graveyard.
For over 400 years the O’Donnell Chieftains were inaugurated at this place, even before the building of the friary.
The ceremony for their inauguration was divided into two parts, the religious rite at this site, the civil rite at Doon Rock.
The friary was dissolved in 1610.
The ruins are fenced off because they’re unsafe and dangerous.
West of the ruins are the remains of a Church of Ireland church which was inaugurated in 1822 and was abandoned in 1845.