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A National Land Cover service for the Republic of Ireland indicating whatever is physically present on the Earth’s surface, whether this is natural vegetation, freshwater or non-living surfaces. The land cover of the Republic of Ireland is incredibly diverse, including forestry,
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RailNetworkSegments, have both a GDF1 and GDF2 representation. A GDF1 is required for all railways. GDF2 is required for Standard (mainline) railways only.Following European standards, a Network is derived from centreline data. A Network consists of a set of specified points, lin
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Government
A permanent roofed construction, currently or formerly intended for shelter. A building under construction is included as a building, if it is apparent that, on completion, it will meet the definition for a building. A structure that is identifiable as having once been a building
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Water Single Stream Line is used to represent a stream that is less than 2m wide. It is polyline geometry.
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A Building Group object links together Buildings that belong to a named terrace. The Buildings must be physically connected such that one BuildingGroup's polygon geometry equals the union of two or more contiguous Building polygons.
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Government
A GDF2 is a notional line indicating the centerline of a Way excepting that in the case of a dual carriageway or motorway, it indicates the central median between opposing carriageways and in the case of a roundabout, it deviates from following the centreline around the roundabou
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Government
A Water Point is a point that marks either a source point or an end point (either at a sink point or where the Water object enters the sea) of a Water Network Segment, a point along the Water Network Segment at which there is a transition, or a point along the Water Network Segme
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Government
A Way Point is a point that marks either an end point of a Way Network Segment, or a point on the Way Network Segment at which there is a transition, or a point at which there is a junction with another Way Network Segment of the same GDF level.
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Government
A Site is a large contiguous area encompassing multiple objects that are related in some way. A Site may cover one geographic area only.
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Government
Locales, permit the use of virtual extents. Many Locale objects cover areas that do not have a defined outline, such as named bays, mountain ranges and districts. In some cases a Locale may have a mix of clearly defined and undefined extents
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Government
Water objects describe all water bodies currently captured by Tailte Éireann. These include flowing and non-flowing, natural and man-made water bodies, which include River, Stream, Lake, Pond, Drain and Reservoir.
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Government
A Rail Point is a point that indicates either an end point of a railway line, or a point at which there is a transition or junction between railway lines. A Rail Point also denotes a Mile Post, as a vertex, on a GDF2 RailNetworkSegment only.
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Government
Way objects represent all drivable and walkable roads and paths. All Ways from Motorway to Fifth Class have polygon geometry; some lower class roads may also have polygon geometry. The Way Skin-of-the-Earth requirements apply only to Ways polygon representation. Ways objects also
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This dataset is a digital representation of the HWM pre 2019. The latest dataset is High Water Mark - National Water Marks - Ungeneralised – 2024, see link:https://data-osi.opendata.arcgis.com/datasets/osi::high-water-mark-national-water-marks-ungeneralised-2024/about
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This dataset is admin areas pre 2014. The latest dataset is Local Authorities - National Statutory Boundaries - Ungeneralised - 2024, see link: https://data-osi.opendata.arcgis.com/datasets/osi::local-authorities-national-statutory-boundaries-ungeneralised-2024/about
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Exits and Entrances along the Border between the Republic of Ireland and Northern IrelandThis dataset is provided by Tailte Éireann
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Polyline file of Seawater Line taken from the National 1:1m Map Of IrelandThis dataset is provided by Tailte Éireann
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An area containing a concentration of buildings and other structures.This dataset is provided by Tailte Éireann
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Area ≥ 0.4 km² for islands in seawater. Smaller islands in inland water area can be portrayed if considered as landmarkThis dataset is provided by Tailte Éireann
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Point file of Mountains taken from the National 1:1Million Map Of IrelandThis dataset is provided by Tailte Éireann
Contact Information
Open Data UnitDepartment of Public Expenditure Infrastructure Public Service Reform and Digitalisation,
St. Stephen’s Green House,
Earlsfort Terrace, D02 PH42 Dublin 2 Ireland.
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