Carn

31 registered freehold parcels lie mostly in Carn, from 557 m² to 98,779 m² (9.88 ha, 24.41 acres). The dashed line is the townland's boundary; 14 neighbouring parcels touch it.

Download the townland: DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings; GeoJSON or KML.

No zone of a development plan covers Carn in the national zoning. Outside zoned towns and villages, the county development plan's rural policies apply to each application.

Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0.

• 12 Oct 2025Conditional

  Permission is sought for the continued use of an existing authorised industrial facility (comprising a concrete batching plant, aggregate crushing, screening and washing facilities) on the site as currently permitted under Plan File Ref. No. 16/1001, within an application area of c.18 hectares, for a further period of 35 years. The development includes the continued use of the established site entrance with road signage, internal access road, importation of materials, processing plant, ESB substation, closed-circuit lagoon system, wheelwash, weighbridge, office, and a hardstand area with hydrocarbon interceptor. No new works are proposed as part of this application.

  Permission · Mayo County Council, 2560713

• 27 Jul 2023Conditional

  construction of calf rearing shed along with ancillary site works

  Permission · Mayo County Council, 23433

• 24 Apr 2020Conditional

  DEMOLISH EXISTING STORAGE BUILDING, EXTENSION OF EXISTING 3 BAY SHED, CONSTRUCTION OF A 4 BAY OPEN SLATTED SHED WITH A CREEP AREA AND UNDERGROUND SLURRY STORAGE TANK ALONG WITH ALL ASSOCIATED SITE WORKS.

  Permission · Mayo County Council, 20277

• 17 May 2017Conditional

  CONSTRUCT SLATTED SHED ALONG WITH ANCILLARY SITE WORKS P06/1799 REFERS

  Permission · Mayo County Council, 17381

Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.

Designated sites

No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Carn.

Recorded monuments

• MA072-028 Ringfort - rath
  Description

  In thicket of overgrowth at the NW corner of a pasture field, located on top of ridge with widespread views. A commercial quarry is located immediately to W. Roughly circular raised area (diam. 35-40m) defined by an earthen scarp (ext. H 1.3m at N, 1.8m at S) topped by a drystone wall, and enclosed by a fosse (Wth 3.4m) with an external bank (Wth 2.6m; int. H 0.5m; ext. H 1.2m at N). The wall enclosing the interior is well preserved at ESE−S (Wth c. 2m; int. H 1.4m; ext. H 0.2m) and appears to form an internal facing for an earthen bank. Elsewhere the wall survives as a collapsed heap (Wth 0.8m-1m; H 0.6m) of medium-large stones. The external slope of the scarp is strewn with stone tumble. It is possible that much of the walling is not primary but represents the incorporation of the rath into a later field system. The 1930 OS 6-inch maps show a trackway flanked by field walls extending to NE and SW from the rath; the route of the trackway appears to have utilised the fosse on the W arc. The outer bank appears more substantial (Wth 3.6m; int. H 0.4m; ext. H 1.1m) at SE−S, where it has a pronounced external slope. It is incorporated into a later field wall at S−SW; it cannot be examined SW−N where it is concealed by upcast from the adjacent quarry to W. A rough ‘entrance passage’, bordered on the N side by a field wall and on the S side by a jumble of stones, extends across the fosse at ESE. It connects a break (Wth 2.4m) in the inner bank/scarp with a corresponding low area (Wth c. 2m) in the outer bank, and may indicate the site of an original entrance. Later field walls abut the rath at N, E and SW. The perimeter and interior are engulfed in a dense thicket of blackthorn, hawthorn and hazel, which impeded the inspection. Compiled by: Jane O’Shaughnessy Date of upload: 30 March 2021

• MA072-029 Enclosure
  Description

  In pasture, on rising ground. Indicated on 1838 OS map as a circular enclosure (diam. 30-35m) bisected on an E−W axis slightly S of centre by a trackway flanked by field walls. It is not shown on later map editions. It has been levelled; there are no visible surface remains at ground level. Compiled by: Jane O’Shaughnessy Date of upload: 30 March 2021

Architectural heritage

No building of the National Inventory of Architectural Heritage stands in the townland of Carn.

Designated sites: National Parks and Wildlife Service. Recorded monuments: Sites and Monuments Record, National Monuments Service. Buildings: National Inventory of Architectural Heritage. Department of Housing, Local Government and Heritage, CC BY 4.0. Works at or in relation to a recorded monument need two months' written notice to the National Monuments Service (National Monuments (Amendment) Act 1994, section 12).

Radon

About 1 in 10 homes in this area is likely to have high radon levels. Testing a home

Landslides

Susceptibility moderately high, moderately low, low, low (inferred), on the 1:50,000 map.

Terrain model

No LiDAR survey of the Office of Public Works covers the centre of the townland of Carn.

Flooding

The flood maps of the Office of Public Works: floodinfo.ie.

Radon Risk Map of Ireland, Environmental Protection Agency; Landslide Susceptibility Classification, Geological Survey Ireland; both CC BY 4.0. LiDAR: contains Irish Public Sector Data (Geological Survey Ireland & the Office of Public Works) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence.

No address of the register names Carn with five sales or more. The sales of the area are on the page of Co. Mayo.

Name

Carn · An Carn

Area

638,747 m² (63.87 ha, 157.84 acres)

Civil parish

Kilbeagh, and its townlands

Barony

Costello

Electoral division

Sonnagh, the unit of the census

Census 2022

Sonnagh electoral division: 1,242 people in 457 households; 76% of households own their home; 32% of homes were built since 2001; 17% of dwellings stood vacant on census night, and 6% were holiday homes.

Neighbouring townlands

Barnalyra, Cloonlyon, Killeen, Stripe

Placenames

Carn on logainm.ie, the Placenames Database of Ireland

Townlands, civil parishes, baronies and electoral divisions, National Statutory Boundaries, Tailte Éireann, CC BY 4.0. Census 2022, Small Area Population Statistics by electoral division, Central Statistics Office, CC BY 4.0. A townland is the smallest land division of Ireland, and the unit of a rural address; old registers such as the 1901 and 1911 censuses file it under its civil parish and barony.