Data and Maps

​​​​Geological Survey Ireland produces a wide range of datasets from bedrock, quaternary, groundwater, marine, geological heritage, to geotechnical, minerals, geophysics, geochemistry and geohazards.

These are organised by themes accessible on the left panel (desktop view) or below (mobile view) . 

Click here for access to maps.

A video tutorial on how to use the Map Viewer can be found here.

Data can be downloaded in zip files. They can be viewed in our online viewers. Metadata can be accessed along with web services.

Goldmine is a repository of scanned documents in particular old maps and reports.

All files are projected to Irish Transverse Mercator / ITM except when otherwise stated. The Marine files are in WGS84.

GSI Data Licence Agreement (unless otherwise specified)

Data that is produced directly by the Geological Survey Ireland (GSI) is free for use under the conditions of 

Creative Commons Attribution 4.0 International license.

https://creativecommons.org/licenses/by/4.0/

https://creativecommons.org/licenses/by/4.0/legalcode

Under the CC-BY Licence, users must acknowledge the source of the Information in their product or application. 

Please use this specific attribution statement: "Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence".

In cases where it is not practical to use the statement users may include a URI or hyperlink to a resource that contains the required attribution statement.

Groundwater Flooding Data Licence Agreement

• Users must acknowledge the source of the Information in their product or application.


• ​Users may not use the material for commercial purposes.


• Users may not redistribute the material if has been modified.


Please use this specific attribution statement: "Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0) International Licence ".

In cases where it is not practical to use the statement users may include a URI or hyperlink to a resource that contains the required attribution statement.

More permissions granted above and beyond (but still including) the CC licence can be found here.

General Access to Data

Connecting to Web Services (Bring data into your GIS software)

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