This data category requires a high level national map. To satisfy this category, the following minimum criteria must be met:

  • Scale of 1:250,000 (1 cm = 2.5km).
  • Markings of national roads
  • National borders
  • Marking of streams, rivers, lakes, mountains.
  • Updated at least once a year.

Data Location


NOTE: National maps are available from other institutions such as the Central Statistics Office (CSO). The OSI is however considered to be the national mapping organization (NMO) for Ireland.

The OSI is governed by the ORDNANCE SURVEY IRELAND ACT, 2001, which means that it is the states NMO but also a commercial enterprise.

There is an interactive map Viewer,588882,739883,0,10 that allows the public to visualize the data,

Data are available via webmapping service called MapGenie with additional information provided here Data are accessed this way via an institutional agreements between clients and OSI.

The data are machine readable as just explained but for a fee and the same is true for data available in bulk.

In terms of Intellectual Property OSI data are protected under the Copyright and related Act 2000 as discussed here it data are not available under an OPEN LICENCE, all OSI data are protected under the Copyright and related Act 2000 as discussed here, and Copyright Permit CP1 and there are Licence Fees. For example "copyright Ordnance Survey Ireland and Government of Ireland and are protected under the terms of the Copyright Acts. Anyone wishing to reproduce OSi material, or use it as a basis for their own publications, must obtain prior permission from OSi. The permit covers reproduction of OSi mapping data in facsimile form and also the use of copyright material in a new compilation based on OSi mapping. The permit requires that an acknowledgement to Ordnance Survey Ireland and Government of Ireland copyright and a permit number must appear on the final reproduction".

The OSI has allowed some academic institions to display and use their data for non commercial uses via MapGenie here is one example (

Reviewer comments

I do not see any evidence that the data are available for free.

Data Availability

  • N Openly licensed
  • N Is the data available for free
  • Y Is the data machine readable
  • Y Available in bulk
  • Y Is the data provided on a timely and up to date basis
  • Y Is data in digital form
  • Y Publicly available
  • Y Does the data exist
  • Y Is the data available online
  • Yes
  • No
  • Unsure
  • No data


Date the data became available   Unknown
Format of data   Multiple mapping formats, DXF, SHP and TAB formats, WMS and many others depending on the data type and the service used
Reviewer   Tracey P. Lauriault
Submitters   Richard Harris
Last modified   Fri Nov 28 2014 14:23:18 GMT+0000 (UTC)