OSNI Open Data 1:50,000 Townland Raster

Raster maps are static digital images. Each pixel is geo-referenced to the Irish Grid.

This series is also available on the reverse of the paper Discoverer series (1:50,000).

Key features

  • background mapping showing roads, settlements and townlands
  • cartographically identical to the reverse of the paper Discoverer series maps
  • reduced colour without Irish Grid lines makes this suitable for overlaying vector data
  • geo-referenced: Irish Grid coordinates can be found for any point on the map using GI software and can be used with other OSNI mapping


  • mid-level scale is suitable for background mapping
  • development and land use planning
  • can be overlaid with customer geographical, address or business data

Technical information

  • derived directly from OSNI Discoverer database
  • can be displayed on most graphics software packages
  • area covered by each tile 20km x 20km

This data is available under Open Data Licence.

Share this page


Your comments are anonymous and can’t be responded to - if you would like a reply, use the feedback form.

Your comments
Plain text only, 750 characters maximum. Don't include personal or financial information.