Overview
The high cross on Inishmacsaint is four metres tall and almost completely plain – no panels, no carved scenes, just a vast slab of sandstone – which makes it stand out as much as any decorated cross would. That height was the point: it worked as a landmark for medieval pilgrims navigating Lower Lough Erne by boat. The island (Irish: Inis-maige-samh, ‘Island of the Sorrel Plain’) sits off the western shore of Lough Erne in County Fermanagh, and beyond the cross you get stone church ruins, an old graveyard and very little else – which is the appeal.
The one practical thing to know before anything else: you can only get here by water. There is no bridge and no public footpath, and crossing the fields from the A46 means trespassing on working farmland. Visitors come by private boat or local water taxi from Enniskillen (the Round O Jetty or Enniskillen Castle Jetty) or from the Manor House Jetty in Killadeas. The upside is that you arrive the way the monks did.
History
The monastic foundation dates to around 530 AD and St Ninnidh, grandson of Laoghaire, High King of Ireland. Records describe Ninnidh travelling the shores of Lough Erne in a hollowed-out boat, setting up churches across the lake’s many islands with priests and monks. The original wooden buildings were likely destroyed in the Viking raids of the 9th and 10th centuries, the usual fate of early Irish monastic sites.
The stone you see today is later. The plain sandstone high cross and the adjacent church both date to the 12th century. By 1306 the church was serving as the parish church for the surrounding community, a role it held until the 18th century, and the surviving walls blend Romanesque and later Gothic detail from centuries of extension and repair.
What to see
The high cross. Time your visit for Easter if the folklore appeals: local legend holds that the cross turns three times at sunrise on Easter morning, which still draws people to the island around the spring equinox and Easter week. The rest of the year it simply dominates the skyline.
Church ruins and graveyard. The walls outline a rectangular nave and chancel, and the masonry shifts noticeably from phase to phase if you look. The adjoining graveyard holds marked burials from the 18th and 19th centuries, with much older unmarked graves almost certainly beneath the grass.
The cillín and wood sorrel. About 60 metres from the church is a rectangular stone enclosure thought to be a cillín, a burial ground for unbaptised children. Wood sorrel grows across the area – a sign of ancient woodland, known locally as ‘Fairy Bells’ for the belief that its bell-shaped flowers call fairies to dance at midnight. Its leaves fold up before rain and at dusk, a reasonably reliable weather signal.
If you want to get your bearings before the trip, interactive 3D models of the high cross and the wider site are on Sketchfab.
Getting there and practical information
Access. Boat only. Book a private charter or water taxi from operators in Enniskillen or nearby marinas – the Erne Water Taxi runs from the Enniskillen Castle Jetty, and Erne Tours departs the Round O Jetty. Services are weather-dependent and need scheduling, so book well ahead; there is no public bus to the mainland lakeshore near the island.
Hours and admission. As a State Care Monument, Inishmacsaint is open year-round from sunrise to sunset. Entry is free and the Department for Communities maintains it. There are no staff and no ticket office.
Facilities. None – no visitor centre, café or toilets, and the nearest amenities are in Enniskillen. The paths are uneven stone and grass, there is no stepped or level access, and the site is not wheelchair accessible. Bring water, sturdy footwear and a waterproof layer; the terrain is low-lying and exposed to lake winds.
Nearby attractions
Inishmacsaint sits in a dense cluster of early Christian sites on Lough Erne, and if you are only making one extra stop, make it Devenish Island – it has one of Ireland’s finest round towers and an Augustinian abbey, a clear step up in scale. Boa Island holds the enigmatic Janus stone figures, the town of Enniskillen has museums and a waterfront, and by car the 16th-century Monea Castle is 4.8 km away. The Cuilcagh Lakelands UNESCO Global Geopark adds walking trails and cave systems nearby.
Go first thing in the morning and you’ll likely have the high cross and the graveyard to yourself.