Location
Explore the Map
Holy Trinity Abbey, Lough Key
53.9892° N, -8.2547° E
Historical Context
About
Holy Trinity Abbey is a former medieval Premonstratensian priory and National Monument located in Lough Key, Ireland.
Paleolithic
Mesolithic
Neolithic
Chalcolithic
Bronze Age
Iron Age
Classical Period
Post-Classical Period
Early Modern Period
Industrial Period
Contemporary Period
Temporal Epochs
Historical Timeline
Journey through time and discover key events in this site's history
Early monastic foundation
7th century AD
Surviving church fabric
9th century
Annals of Loch Cé composition span
1014–1590
Priory foundation
1215
Monks from Boyle Abbey
1228
Raised to abbey status
c. 1235
Daughter house founded
1237
Death of anchoress Gormfhlaith
1436
15th-century fire and rebuilding
1466
Held in commendam by regional lord
1548
Grant to Robert Harrison
1594
Burial of Sir Conyers Clifford
1599
Final departure and confiscation
1608
Modern excavation finds
1991
Classification
Archaeological Features
Unique architectural and cultural elements found at this historical site
category
Public and Civic Structures
Chapter RoomLibraries
category
Burial and Funerary Structures
GravesTombsCemeteries
category
Religious and Ritual Structures
ChurchesSedilia
category
Domestic and Habitation Structures
Houses
category
Food Production and Processing Features
Rotary quern
Knowledge Base
Frequently Asked Questions
Explore
Plan Your Visit
Tours, travel arrangements, and practical information
Discover More
View all →More Sites in Ireland
Carrickmines Castle
Carrickmines Castle
Medieval Norman castle and settlement, County Dublin
Grangefertagh
Grangefertagh
Early medieval abbey and round tower, County Kilkenny
Caherconnell Stone Fort
Caherconnell Stone Fort
Medieval stone ringfort in the Burren, Ireland
Cahir Abbey
Cahir Abbey
Augustinian priory in Cahir, Ireland, late 12th–17th c.
Taghadoe
Taghadoe
Early medieval monastic site and round tower, County Kildare
Burriscarra Abbey
Burriscarra Abbey
Medieval Carmelite priory ruins, County Mayo (13th–15th c.)