High Water Mark - National Water Marks

Published by Tailte Éireann

<div style='text-align:Left; font-size:12pt;'><p><span>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:</span></p><p><a href='https://data-osi.opendata.arcgis.com/datasets/osi::high-water-mark-national-water-marks-ungeneralised-2024/about' target='_blank' rel='nofollow ugc noopener noreferrer'>https://data-osi.opendata.arcgis.com/datasets/osi::high-water-mark-national-water-marks-ungeneralised-2024/about</a></p></div>

Data Resources

ArcGIS Hub Dataset

Format: HTML

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ArcGIS GeoService

Format: ArcGIS GeoServices REST API

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File Geodatabase

Format: ZIP

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CSV

Format: CSV

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GeoJSON

Format: GeoJSON

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KML

Format: KML

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Feature Collection

Format: TXT

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Excel

Format: XLSX

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GeoPackage

Format: GPKG

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SQLite Geodatabase

Format: GDB

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Additional Information

License	Creative Commons Attribution 4.0
Created	2025-08-22
Last Updated	2025-08-22

View this dataset on data.gov.ie →