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Island Co. Roscommon

Trinity Island

A wooded island on Lough Key with the ruined Holy Trinity Abbey, where monks kept the medieval Annals of Loch Cé.

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About Trinity Island

Trinity Island lies in the southern part of Lough Key, a short way from the forest park. Its abbey of the Holy Trinity was founded about 1215 by Clarus Mac Máilin for the Premonstratensian canons, the White Canons, and in 1228 monks from Boyle joined them, bringing the manuscripts that grew into the Annals of Loch Cé, one of the great chronicles of medieval Connacht. The canons held on until the abbey was confiscated in 1608. The plain nave-and-chancel church still stands, and Sir Conyers Clifford, the English commander killed at the Battle of the Curlews in 1599, is buried in its south wall. The ruin is a National Monument in State care and an unguided site. We found no public landing place, so plan to see it from the water, ideally on a calm day when you can drift slowly along the shore.

Things to do

  • Heritage

    Trinity Abbey

    Ruined 13th-century abbey of the White Canons, home of the Annals of Loch Cé; an unguided National Monument.

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Neighbours by water

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  • Clarendon Lock ≈ 4.3 km · ≈ 35 min Next opening Sat, 31 Oct at 09:30
  • Knockvicar ≈ 4.9 km · 1 lock · ≈ 55 min
  • Cootehall ≈ 8.1 km · 1 lock · ≈ 1 h 15 min

≈ distances are computed along the water, not along the marked channel. Times are our estimate: 7.5 km/h and 15 minutes a lock. Check the Waterways Ireland marine notices

Also nearby, from OpenStreetMap (1)

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Services (1)

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