Unofficial guide. Not the National Monuments Service, the OPW, Fáilte Ireland or the landowner. Disclaimer
At a glance
- TypeEcclesiastical enclosure
- Date or period mentionedearly medieval
- StatusNational Monument
What to look for
- Tower
- Graveyard
Picked out from the Archaeological Survey description below.
Can you visit?
- No source says it is open to the public.Most monuments in Ireland stand on private farmland.
- Ask the landowner before crossing fields, close gates, leave the stones as you find them.Visiting responsibly
History and description
The monastic remains at Monasterboice constitutes a National Monument consisting of a small enclosed graveyard (LH021-062002-) with two small churches (LH021-062003-; LH021-062004-), a round tower (LH021-062006-), three high crosses (LH021-062007-; LH021-062008-; LH021-062009-), a bullaun stone (LH021-062010-), sundial (LH021-062011-) and a number of grave-slabs (LH021-062012-; LH021-062013-; LH021-062014-).
Full archaeological record 732 words
The monastic remains at Monasterboice constitutes a National Monument consisting of a small enclosed graveyard (LH021-062002-) with two small churches (LH021-062003-; LH021-062004-), a round tower (LH021-062006-), three high crosses (LH021-062007-; LH021-062008-; LH021-062009-), a bullaun stone (LH021-062010-), sundial (LH021-062011-) and a number of grave-slabs (LH021-062012-; LH021-062013-; LH021-062014-). It may be located on a prehistoric ritual site as a cist (LH021-062005-) was found beneath the north church (Hasee 1892). Isaac Butler recorded a holy well (LH021-062022-) dedicated to a Saint Kiarnan outside the graveyard at SW in 1744, which explains why this angle is excluded from the graveyard itself (Deane 1922, 106).
The site is best known for its high crosses, especially the magnificent South Cross, which has an inscription declaring that it was erected by Muiredach, who may be the abbot who died in A. D. 924. Accounts of Monasterboice and its crosses can be found in many sources especially Macalister (1946), Roe (1981), Harbison (1979; 1992), Henry (1980), Richardson and Scarry (1990) and Manning (2014).
Founded by St. Buíthe, who died about 520 and who gave his name to the place (Mainistir Buíthe - the monastery of Buíthe), it came to prominence in the Irish annals from the early eighth century and continued to be mentioned frequently up until the twelfth century, mainly in relation to the deaths of ecclesiastics associated with it. Strangely it is one of the very few places in early medieval Ireland with the element mainistir in its name, so much so that it was frequently known by this element alone and ecclesiastics from it were referred to with the epithet mainistreach (of Monasterboice). Examples are Eoghan Mainistreach, abbot of Armagh and Clonard, who died in 834 and, most famous of all, Flann Mainistreach, a great poet and man of learning, who died in 1056. It had close associations both with the Columban federation of churches and with Armagh. Though it is likely to have been raided by the Vikings, there is no clear individual reference to such a raid.
In the twelfth century it lost out in neither becoming the centre of one of the new territorial dioceses nor in becoming the site of a monastery of one of the recently imported continental orders. Indeed it became quickly overshadowed by the first Cistercian house to be established in Ireland, Mellifont (LH023-007002-), which was founded in 1142 less than three miles away to the south-west , while Monasterboice was reduced to the status of a parish church. The settlement appears to have gradually become deserted and a new settlement was established less than a mile to the south-east called Newtown Monasterboice. However, the churches remained a place of local pilgrimage and devotion, and the head of St. Buithe, presumably encased in a metal shrine, was kept in one of the churches up to the early sixteenth century (Ó Riain 2011, 131-3). By the seventeenth century the churches were in ruin but the graveyard has continued as a place of burial up to the present day.
The present graveyard containing the churches and crosses is but a small part of the large settlement that was here in early medieval times. The extent of this settlement is indicated by records of souterrains in the surrounding fields and by traces of large enclosures visible in aerial photographs. A geophysical survey carried out in 2008 has given us a more accurate picture of the extent and nature of the subsurface archaeological features around the graveyard (Manning 2014). Ecclesiastical sites like Monasterboice had a sizeable lay population, involved in farming, craft-work and trade, living within the outer enclosure.
An aerial photograph taken by L. Swan shows cropmarks indicating the remains of the original outer enclosure (Roe 1981, pl. XXI). Three souterrains (LH021-062015-; LH021-062017-; LH021-062018-) are known from within it (Roe 1981, 76). Aerial photograph (GB90.BH.27) shows a curved fosse delimiting part of the ecclesiastical enclosure surrounding the church and round tower; the fosse appears partly as a cropmark (foreground) and partly as a low-level earthwork (in field directly south of farm). A Geophysical survey suggests the presence of an inner enclosure (diam. c. 130m) around the graveyard and an outer oval enclosure (dims c. 350m NW-SE; c. 250m NE-SW), both defined by fosses (Anon. 2009, fig. 2). Rescue excavation (C000723) has confirmed the line of the outer enclosure on the east side (Murphy and Stirland 2016) as determined by Gosling in Roe (1981).
Archaeological Survey of Ireland, National Monuments Service (CC BY 4.0) · Compiled by Con Manning · Updated 11 May 2016 · Based on the both the published 'Archaeological Inventory of County Louth. It describes the site as it was when surveyed.
Also recorded nearby
Named sites within 5 km with only a short entry in the Archaeological Survey.
- Tober MuireRitual site - holy well · Hammondstown (Ardee By; Mosstown Par.) · 4.8 km · official record
Situated in a field known as 'Tobar Muire' and indicated but not named on 1865 OS map (revision) (Coyle 1956, 204-5). When inspected by ASI in 1967 it was closed up.
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Around Monasterboice
Other heritage nearby
- Monasterboice round towerRound tower · 0.0 km
- Tober MauraHoly well · 2.9 km
- Athclare CastleCastle · 4.4 km
- Mellifont AbbeyAbbey or friary · 5.0 km
- Townleyhall passage graveMegalithic tomb · 6.7 km
- Magdalen TowerAbbey or friary · 8.0 km
Recorded within 5 km
- 12 ancient churchesArchaeological Survey of Ireland
- 12 ringfortsArchaeological Survey of Ireland
- 6 high crossesArchaeological Survey of Ireland
- 6 holy wellsArchaeological Survey of Ireland
- 5 standing stonesArchaeological Survey of Ireland
- 4 castlesArchaeological Survey of Ireland
- 1 round towerArchaeological Survey of Ireland
- 1 megalithic tombArchaeological Survey of Ireland
Walks and trails
- Boyne Valley CaminoWalking Trail · 20.5 km · nearest point 4.6 km
- Townley Hall - Balnumber Wood WalkWalking Trail · 1.2 km · nearest point 4.8 km
- Townley Hall - Glen Wood Nature TrailWalking Trail · 1.6 km · nearest point 5.7 km
Outdoors, towns and places to stay
- Townley HallForests · 5.7 km
- LittlewoodForests · 9.4 km
- SeapointBeaches · 12 km · Excellent Quality (2025)
- Port, LurganboyBeaches · 12 km · Excellent Quality (2025)
- DroghedaWalled towns · 8.2 km
- ArdeeWalled towns · 12 km
- Brú na Bóinne UNESCO World Heritage SiteUNESCO · 9.1 km
- Collon HouseHistoric stays · 4.5 km
Other attractions nearby
- Collon HouseHistoric Houses and Castle · 4.5 km
- Townley Hall WoodsGardens · 5.0 km
- Old Mellifont AbbeyHistoric Houses and Castle · 5.1 km
- Magdalene TowerHistoric Houses and Castle · 8.0 km
Excavations nearby
- 00E0941 Newton - Monasterboice 5, County MeathRoad-scheme excavation report (TII) · 1.2 km
- 00E0479 Newtown-Monasterboice4, County LouthRoad-scheme excavation report (TII) · 1.2 km


