408 NMS sites 403 within protection zone 83 listed buildings 8 of 9 archaeological periods

Ballinacor North is a barony of County Wicklow, in the historical province of Leinster (Irish: Baile na Corra Thuaidh), covering 300 km² of land. The barony records 408 NMS archaeological sites and 83 NIAH listed buildings, placing it at around the 26th percentile among 280 ROI baronies for sites per km². This means it is in the bottom third of all baronies for sites per km². Dated archaeological evidence runs from the Neolithic through to the Modern, spanning 8 of 9 archaeological periods, placing the barony in the 64th percentile among 280 ROI baronies for chronological depth. This means it is in the upper half of all baronies for chronological depth. The largest dated subset of recorded sites dates to the Early Medieval.

Detailed boundary map of BALLINACOR NORTH barony, WICKLOW
Ballinacor North boundary detail
Regional context map showing BALLINACOR NORTH barony within WICKLOW
Ballinacor North in regional context

Heritage at a glance

Percentile rankings throughout this profile compare each barony only against the other 279 Republic of Ireland baronies.

408
Recorded NMS sites
26th percentile
403
Within protection zone
98.8% of recorded sites
83
NIAH listed buildings
43rd percentile
300 km²
Barony area

The recorded heritage of Ballinacor North

The National Monuments Service Sites and Monuments Record (SMR) is the statutory inventory of archaeological sites for the Republic of Ireland, maintained by the Department of Tourism, Culture, Arts, Gaeltacht, Sport and Media. Sites recorded here include earthworks, ringforts, megalithic tombs, ecclesiastical remains, and post-medieval features; not every record is legally protected, but each is registered as a monument of archaeological interest.

The National Monuments Service records 408 archaeological sites in Ballinacor North, putting it at the 26th percentile among 280 ROI baronies for sites per km². This means it is in the bottom third of all baronies for sites per km². Protection coverage is near-universal — 403 sites (99%) fall within a recorded monument protection zone, indicating an extensively surveyed landscape. The dominant category is ecclesiastical sites — churches, graveyards, and holy wells (131 sites, 32% of the record). Bullaun stone is the most prevalent type, making up 12% of the barony's recorded sites (50 records) — well above the ROI average of 2% across all baronies where this type occurs. Bullaun stone is a boulder or rock outcrop with hemispherical hollows ('bulláin'), commonly associated with ecclesiastical sites and holy wells. Other significant types include Cross-slab (43) and Enclosure (20). Cross-slab is a stone slab inscribed with a cross, used as a grave-marker or memorial, dated pre-1200 AD; Enclosure is a banked or ditched feature of uncertain type, used as a catch-all where the original function cannot be determined from surface evidence. Across the barony's 300 km², this gives a recorded density of 1.36 sites per km².

Most common monument types

Hover or tap a monument type to see its definition.

TypeCount
Bullaun stone a boulder or rock outcrop with hemispherical hollows ('bulláin'), commonly associated with ecclesiastical sites and holy wells 50
Cross-slab a stone slab inscribed with a cross, used as a grave-marker or memorial, dated pre-1200 AD 43
Enclosure a banked or ditched feature of uncertain type, used as a catch-all where the original function cannot be determined from surface evidence 20
Church a building used for public Christian worship, of any date from c. 500 AD onwards 13
Rock art geometric and other motifs carved on earthfast boulders or rock outcrops, mainly Bronze Age but with possible Neolithic origins 12
Hut site a low stone or earthen foundation enclosing a small circular or oval area, generally interpreted as a former dwelling, of any date from prehistory to the medieval period 10

Chronological distribution

The dated archaeological record for Ballinacor North spans from the Neolithic through to the Modern, with activity attested across 8 of 9 archaeological periods. Every period from earliest to latest is represented in the record — an unbroken sequence of dated activity across the full chronological span. Activity concentrates most heavily in the Early Medieval (128 sites, 63% of dated material), with the Iron Age forming a secondary peak (32 sites, 16%). A further 204 recorded sites (50% of the overall NMS register for the barony) carry no period attribution — appearing as 'Unknown' in the bar chart below. This typically reflects either records that pre-date the standardised period vocabulary or sites awaiting specialist dating review, rather than a genuine absence of chronological evidence.

Mesolithic
0
Neolithic
1
Early Bronze Age
15
Middle Late Bronze Age
7
Iron Age
32
Early Medieval
128
Medieval
18
Post Medieval
2
Modern
1
Unknown
204

Sample of recorded monuments

Show 25 sample monuments (of 408 total)

A representative sample of 25 recorded monuments drawn from the barony’s 408 total NMS entries. Sites within a recorded monument protection zone and rarer site types are prioritised so the list shows a meaningful cross-section rather than only the most common type. Each entry shows the official Sites and Monuments Record reference number and the description published by the National Monuments Service.

Flat cemetery

SMR WI012-011—-GlasnamullenProtected

Situated on SE edge of a plateau overlooking the Vartry River to the E. The 'Moat' was described in 1838 by John O'Donovan as a ‘remarkable round and pretty high hillock which they call a moate, but which, however, has…

Cross-inscribed pillar

SMR WI017-003—-Laragh WestProtected

Situated on the cliffs above Lough Ouler to the S of the summit of Tonelagee. A mica-schist pillar (H 1.38m; Wth 0.46m; T 0.09m) inscribed with a Latin cross on each face. That on the W face (dims. 0.13m x 0.25m) is…

Castle – motte and bailey

SMR WI024-003—-CastlekevinmedievalProtected

Situated on a ridge overlooking the marshy floor of a stream valley to N. Originally constructed c. 1214 by Henri de Londres, Archbishop of Dublin (Orpen 1908). Described in the 1838-40 Ordnance Survey Field Name Books…

Gateway

SMR WI023-008001-Sevenchurches Or CamaderryProtected

National Monument in state ownership No. 134. Remains of a formerly two-storied gatehouse situated at the NE angle of the modern enclosure. It consists of a square building (c. 4.9m x 5m internally) with round granite…

Round tower

SMR WI023-008002-Sevenchurches Or Camaderryearly_christianProtected

National Monument in state ownership No. 134. Situated NW of the cathedral on slightly higher ground within the main graveyard. Built of mica-schist and granite (H 30.48m) on two offsets, with a further six floors…

Cathedral

SMR WI023-008003-Sevenchurches Or CamaderrymedievalProtected

The cathedral is the largest and most imposing structure at Glendalough and is situated in the SE sector of the main enclosure (WI023-008005-) on a small plateau overlooking the junction of the Glendasan and Glenealo…

Bridge

SMR WI023-008012-Brockagh,Sevenchurches Or CamaderryProtected

The annals record a bridge over the Glendasan river which was swept away in the great flood of 1177. A new bridge, opposite the main entrance to the monastic 'city', possibly on the site of the old bridge, was built…

Settlement platform

SMR WI023-020004-Lugduff (Ballinacor North By.)Protected

W of the church (WI023-020—-) is a platform (WI023-020004-) with paved causeway (Leask 1950, 9-10).

Compiled by: Gearóid Conroy and Caimin O'Brien

Date of upload: 19 December 2012

See linked document with…

Cave

SMR WI023-021—-Lugduff (Ballinacor North By.)Protected

National Monument in state ownership No. 134. Small rock-cut cave c. 9.5m above the level of the Upper Lake at Glendalough. Traditionally said to have been used as a sleeping place by St Kevin; sometimes cited as a…

Religious house – Augustinian canons

SMR WI023-031—-DerrybawnProtected

National Monument in state ownership No. 134. Situated about half a mile SE of the cathedral, on the south bank of the river, this Romanesque church is one of the latest at Glendalough. Said to have been founded for…

Castle – tower house

SMR WI023-036—-Knockrath BigmedievalProtected

Situated on a marked N-facing slope in pasture with commanding views over the Avonmore Valley. Price (1933, 240-41) described the foundations of a 17th-century O'Byrne castle (dims. 8.68m x 8.68m) with a circular tower…

Megalithic structure

SMR WI029-001—-Ballintombay UpperProtected

Situated on the eastern slopes of Kirikee Mountain. Marked as 'Giant's Grave' on the 1838 OS 6-inch map and as 'Giant's Grave (Site of)' on the current edition. The site is now under forest. No visible remains. (Borlase…

Ecclesiastical site

SMR WI029-004—-Ballinabarny (Ballinacor North By.)Protected

Situated on level ground with SW-facing slopes above and below the site. Gwynn and Hadcock (1970, 276) state that this is the site of an early 17th-century Franciscan monastery, but there is no other evidence and no…

Mound

SMR WI030-030—-CopseProtected

Mentioned in the OS Name Books as a mound in the N part of this townland. Not located.

The above description is derived from the published 'Archaeological Inventory of County Wicklow' (Dublin: Stationery Office,…

Standing stone – pair

SMR WI017-006—-Laragh EastProtected

On flatish portion of ridge with good views to E, S and W, the Devil's Glen and Irish Sea are visible in the distance to the E in the gap between the two stones. Aligned roughly N-S, with the N stone (H 1m; Wth 0.75m; T…

Castle – Anglo-Norman masonry castle

SMR WI024-003001-CastlekevinProtected

Situated in the centre of the E portion of a square-shaped motte (WI024-003—-) located on the W end of a ridge running E-W overlooking a marshy river valley to the N. The remains consist of a projecting gate tower of…

Road – hollow-way

SMR WI024-003002-CastlekevinProtected

Situated on a ridge overlooking the marshy floor of a stream valley to N. Originally constructed c. 1214 by Henri de Londres, Archbishop of Dublin (Orpen 1908). The present remains consist of an almost square-shaped…

Children's burial ground

SMR WI023-014006-BrockaghmedievalProtected

According to the field note on 'Trinity Church' (WI023-014001-), 'Two small (45cm high) gravemarkers (children?) occur c.6m W of enclosure'. The enclosure is presumably that around the graveyard (WI023-014005-). …

Cross-inscribed stone

SMR WI023-008050-Sevenchurches Or CamaderryProtected

Located 24.1m SSW of the round tower (WI023-008002-) – look for the modern headstone, 'Edward Magee 1912 – 1993', the slab stands 1.5m to the S of this headstone. This slab was not previously recorded. A low, roughly…

Headstone

SMR WI023-008052-Sevenchurches Or CamaderryProtected

Location: 2.30m E of E gable of Priest's House (29 August 2005). Upright slab, partly spalled along sides and top, with inscription on E face. 'Here lyeth ye body of/Murlaugh Doyle died/ [?] S [or 5 but looks like 'S']…

Cross – Market cross (present location)

SMR WI023-007001-BrockaghProtected

Now situated in the Visitor Centre, this cross was moved from the location shown on the OS 6-inch map (given above). It may have had an earlier location also. A granite cross (H 1.66 m; Wth of arms 0.76m) with a…

Souterrain

SMR WI023-049—-Brockaghearly_medievalProtected

This record was created to cover a possible souterrain, the location of which is pencilled onto the Ordnance Survey 1st. ed. 6-inch map in the archive unit of the National Monuments Service (SMR File). The site of…

Holed stone

SMR WI023-009062-Sevenchurches Or CamaderryProtected

In St Kevin's Church (WI023-009—-) 'hidden' behind the slabs along the S wall. A small tapering slab (L 1.1m; Wth 0.45m tapering gently to a pointed end Wth 0.25m; T 0.06m) has a small circular hole (diam 0.04m)…

Decorated stone (present location)

SMR WI023-009063-BrockaghProtected

This stone was found in 1908 by a group of men hunting ferrets near Hollywood, Co. Wicklow. It was lying face down at the edge of a grassy lane at Lockstown Upper (WI016-017—-). It consists of a boulder (dims. c.…

Charcoal-making site

SMR WI023-029002-Lugduff (Ballinacor North By.)Protected

One of 86 charcoal production sites recorded by Healy in 1972 and referred to by him as platform '76' (Healy 1972, 146). A test excavation was carried out on this platform (L 5m; Wth 3.5m) and two others (WI023-029003-…

Listed buildings

The National Inventory of Architectural Heritage (NIAH) is a state survey appraising buildings of architectural, historical, archaeological, artistic, cultural, scientific, social, or technical interest. Each surveyed structure receives a rating from International (the highest, for buildings of European importance) through National, Regional, Local, and Record-Only.

The NIAH records 83 listed buildings in Ballinacor North (43rd percentile across ROI baronies). The highest-graded structure include 1 of National significance. The Republic holds 937 National-graded buildings in total, so this barony accounts for around 0% of the national total. Construction dates concentrate most heavily in the Victorian (1830-1900) period. The most-recorded building type is house (38 examples, 46% of the listed stock).

Terrain and environment

Mean elevation across the barony is 353m — the 100th percentile among 280 ROI baronies for elevation. This means it is in the top tenth of all baronies for elevation. This is a relatively elevated landscape by ROI standards. Elevation matters for heritage because higher-altitude baronies typically favour defensive monuments — ringforts and hilltop forts placed on prominent ground — while lowland baronies are more likely to carry the dense settlement and church networks of intensive agricultural landscapes. The barony reaches 846m at its highest point — a vertical span of more than 492m within its boundary, indicating significant topographic diversity. Mean slope is 10.1° — the 98th percentile among 280 ROI baronies for slope. This means it is in the top tenth of all baronies for slope. This is consistently steep terrain by ROI standards, the kind of landscape that tends to preserve upstanding archaeological features well. Slope is a key control on both land use and archaeological preservation: steep ground resists ploughing and tends to preserve earthworks intact, while gentle slopes favour intensive cultivation that damages or destroys surface archaeology over time. The Topographic Wetness Index averages 8.7, the 1st percentile among 280 ROI baronies for wetness. This means it is in the bottom tenth of all baronies for wetness. This is well-drained ground by ROI standards — typical of upland or steeply-sloping country that sheds water rapidly. Drainage matters for heritage because poorly-drained ground preserves organic archaeology (wooden trackways, leather, textiles, and on rare occasions human remains) far better than free-draining soil; well-drained ground favours arable use but destroys organic material rapidly. The land cover is dominated by improved grassland (66%) and woodland (31%). In overall character, this is an upland landscape of steep, elevated terrain, with land use dominated by improved grassland.

Terrain measurements

Mean elevation353.1 m
Max elevation846 m
Mean slope10.1°
Wetness index (TWI)8.65 1st pct
Grassland66.1%
Woodland31.1% 96th pct
Cropland1.1%

Where this barony sits in the Republic of Ireland

Drainage
1st
Woodland
96th

Geology and preservation

Bedrock geology shapes the landscape long before any settlement begins — controlling soil drainage, agricultural potential, the survival of upstanding monuments, and the preservation of buried archaeology. The figures below come from the Geological Survey Ireland 1:100,000 bedrock map.

The bedrock underlying Ballinacor North is predominantly slate (57% of the barony by area), laid down during the Ordovician period (61% by area, around 485 to 444 million years ago). Slate weathers to thin upland soils but provides high-value building and roofing stone, which often shows in surviving 19th-century rural and ecclesiastical architecture. A substantial secondary geology of granite (21%) and adamellite (11%) adds further variety to the underlying landscape. The single largest mapped unit is the Maulin Formation (57% of the barony's bedrock).

Dominant geological periodOrdovician (61%)
Dominant rock typeSlate (57%)
Mapped formations25
Distinct rock types6 61st pct for diversity

Rock type composition

Slate
57%
Granite
21%
Adamellite
11%
Greywacke, Shale
4%
Greywacke And Quartzite
2%

Largest mapped unit: Maulin Formation (57% of the barony)

Placename evidence

Logainm records 5 heritage-diagnostic placenames for Ballinacor North, a modest sample drawn predominantly from the townland record. The dominant stratum is pre-christian defensive. The most frequent diagnostic roots are ráth- (5). With a sample of this size the count should be treated as indicative rather than definitive.

Pre-Christian / Early Medieval Defensive

RootCountMeaning
ráth-5earthen ringfort

Other baronies in Wicklow

See all 280 baronies in the Republic of Ireland Heritage Tool.

Grounding History report mockup

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Grounding History: 10 Maps of Northern Ireland’s Past

If you’re interested in Irish heritage more widely, the companion report for Northern Ireland brings together the analysis of all 462 NI wards into one place through 10 high-quality maps — covering monument density, archaeological periods, placename heritage, terrain, wetland, and the historic landscape at first survey. Take a look.

About this profile

Click any section below to expand.

What is a barony?

A barony is a historic administrative unit in Ireland, broadly equivalent to an English hundred. The 280 baronies used here are from the OSi 2019 National Statutory Boundaries (generalised 20m), covering the 26 counties of the Republic of Ireland. Baronies derive from the Norman period, were formalised in the 17th century, and have not been redrawn for statistical purposes. They vary enormously in area, from compact urban baronies in Dublin to vast upland baronies in Connacht, and should not be compared by raw site count without accounting for area differences.

What counts as a site?

This profile combines three distinct heritage registers, each with its own definition of what constitutes a recordable site:

  • Archaeological sites (NMS). The National Monuments Service Sites and Monuments Record (SMR) catalogues every known archaeological monument or site of archaeological interest in the Republic, from prehistoric burial mounds and ringforts to medieval churches and post-medieval defensive works. Inclusion does not require legal protection — only that the site has been identified, surveyed, and assessed as having archaeological value. A separate subset of these sites lies within a recorded protection zone, which gives them statutory protection under the National Monuments Acts.
  • Listed buildings (NIAH). The National Inventory of Architectural Heritage records buildings of architectural, historical, archaeological, artistic, cultural, scientific, social, or technical interest. Each surveyed structure is appraised on a five-tier scale: International, National, Regional, Local, and Record-Only. The NIAH appraisal is informational rather than strictly statutory, but it underpins local-authority Record of Protected Structures (RPS) listings.
  • Heritage placenames (Logainm). Logainm is the authoritative database of Irish placenames maintained by the Placenames Branch. This profile applies a heritage-diagnostic classifier to the Irish-language form of each townland name, flagging roots that signal defensive sites (ráth-, lios-, dún-, caiseal-, cathair-), ecclesiastical foundations (cill-, teampall-, domhnach-, mainistir-), prehistoric burial-ritual features (tuaim-, carn-, leaba-), or Norse-contact settlement (gall-). Townlands without one of these diagnostic roots are not flagged here — they may still carry historical significance, but that significance is not encoded in the name itself.
Editorial principles

The narrative sections of this profile follow several explicit principles:

  • Evidential. Every claim about this barony’s heritage character is anchored in the underlying register data. Where a site count, a placename count, or a percentile rank is cited, it is computed from the source datasets at export time, not estimated.
  • Comparative. Counts and metrics are reported alongside their percentile rank against the other 279 ROI baronies. A barony with 50 ringforts in absolute terms could be unusually high or unusually low depending on its size and regional context; percentile ranking removes that ambiguity.
  • Transparent on limits. Where a register has known coverage gaps, survey biases, or data-quality issues that affect this barony’s figures, the profile flags them rather than presenting the numbers as definitive.
  • No interpretation beyond what the data supports. The narrative does not speculate about historical events, social dynamics, or cultural meaning beyond what the recorded heritage and placename evidence directly attests.
Data caveats and limits
  • NMS Sites and Monuments Record is the product of survey campaigns conducted at different intensities across different counties and decades. Some baronies have been surveyed more thoroughly than others, and absolute counts should be read in that light. Sites destroyed by development before survey are typically not represented; sites in heavily forested or upland terrain are sometimes under-recorded.
  • NIAH coverage is broadly complete for the Republic of Ireland but the survey was conducted on a rolling county-by-county basis, and the most recent appraisal date varies. Buildings demolished or substantially altered after their original survey may still appear in the register; conversely, recent buildings of merit may not yet have been appraised.
  • Logainm classification applies a deliberately conservative pattern-matching approach to the Irish-language townland forms. The classifier prioritises true positives over recall: a townland may carry a heritage signal that the classifier doesn’t recognise, particularly where the diagnostic root has been heavily anglicised or where the townland name draws on a less common term. The 60,000+ townland records and ~9,800 classified placenames give a substantial signal at barony scale, but individual townland names should be checked against Logainm directly for definitive interpretation.
  • Period attribution. The chronological distribution reflects only those NMS sites that carry a recognised period attribution in the source data. Sites listed as “Unknown” period are excluded from the dated subset.
  • Boundary changes. Some baronies have undergone minor boundary adjustments since their 19th-century definition; the OSi 2019 generalised boundaries used here are the current statutory definition and may differ slightly from historical maps in border areas.
  • Bedrock geology is mapped at 1:100,000 scale, which means local variation within a barony — small pockets of different rock type, mineral veins, alluvium overlying bedrock — is generalised. The dominant-system and rocktype figures are area-weighted, so a barony reading “70% Carboniferous limestone” may still contain small but archaeologically important pockets of older or younger rock. Around 3% of GSI polygons do not match the lexicon and contribute no rocktype or system attribution.
Data sources
  • National Monuments Service — Sites and Monuments Record (SMR)
    Contributes archaeological site records, classifications, periods, and recorded protection-zone status.
    © Department of Housing, Local Government and Heritage · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data.gov.ie/dataset/national-monuments-service-archaeological-survey-of-ireland
  • National Inventory of Architectural Heritage (NIAH)
    Contributes listed-building records and architectural-significance grades.
    © Department of Housing, Local Government and Heritage · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data.gov.ie/dataset/national-inventory-of-architectural-heritage-niah-national-dataset
  • Logainm — Placenames Database of Ireland
    Contributes Irish-language and English townland names, civil parish associations, and barony assignments for the heritage-placename classifier.
    © Government of Ireland, Placenames Branch · Licence: Creative Commons Attribution-NoDerivs 3.0 Ireland (CC BY-ND 3.0 IE)
    https://www.logainm.ie/
  • Ordnance Survey Ireland — National Statutory Barony Boundaries 2019
    Contributes the canonical 280 barony boundaries (generalised 20m).
    © Ordnance Survey Ireland / Government of Ireland · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://data-osi.opendata.arcgis.com/
  • EURODEM — European Digital Elevation Model
    Contributes elevation, slope, and topographic-wetness statistics, plus the hillshade rendering on each barony’s topographic map.
    © Maps for Europe · Licence: Open data
    https://www.mapsforeurope.org/datasets/euro-dem
  • ESA WorldCover
    Contributes land-cover classifications for grassland, woodland, cropland, wetland, urban, and water statistics.
    © European Space Agency · Licence: Creative Commons Attribution 4.0 (CC BY 4.0)
    https://esa-worldcover.org/en
  • Geological Survey Ireland — 1:100,000 Bedrock Geology
    Contributes bedrock geological data: dominant geological system (Carboniferous, Devonian, etc.), rock-type composition, and formation-level mapping, with the GSI Bedrock Lexicon providing descriptive attributes.
    © Geological Survey Ireland · Licence: Open data, Creative Commons Attribution 4.0 (CC BY 4.0)
    https://www.gsi.ie/en-ie/data-and-maps/Pages/Bedrock.aspx

Explore more: Search any of the 280 ROI baronies, browse by historical province, or read the methodology and data sources for the full Republic of Ireland Heritage Tool.

Spotted an error? This dataset is updated continuously. Email contact@danielkirkpatrick.co.uk with corrections, missing records, or suggestions for improvement.