OS Terrain 50

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Dataset Description:

OS Terrain 50 is a generalised, 1:50,000 scale DTM supplied in 10km x 10km tiles.

The dataset is provided in two formats:

  • Vector contour lines (10m intervals)
  • Raster DTM grid (post spacing of 50m)

Dataset Thumbnail:

 

Dataset Specification:

Product Name

OS Terrain 50

Data Provider

Ordnance Survey

Scale

1:50,000

Coverage

Great Britain (complete)

Data Structure

  • Vector (points, polylines)
  • Raster: DTM grid

Format(s)

  • Vector: Esri Shapefile, Esri File GeoDatabase, MapInfo TAB, MID/MIF, Autodesk DWG, OGC KML, OGC GML, CSV (attribute data only)
  • Raster: ASCII grid

Uses

3D visualisations, wind turbine and mobile phone mast sighting, flood risk assessment, soil erosion, hiking

Licencing

OS OpenData Licence

Update Frequency

Annually (July)

 

Dataset Resources:

Product site
Support site
User Guide & Technical Specification (pdf)