Where can I get global elevation data?

Download free global elevation data products using AppEEARS or  EarthExplorer. Free registration is required.

In AppEEARS:

Download Aster Global Digital Elevation Model (GDEM version 3)

  • 1-arc-second (30m) resolution
  • GeoTIFF format
  • Acquired 2000-2013

 

In EarthExplorer, select “Digital Elevation” under the "Data Sets" tab and choose an option: 

Shuttle Radar Topography Mission (SRTM)

  • 1-arc-second (30m) resolution
  • DTED, BIL, and GeoTIFF formats
  • Acquired 2000

Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010)

  • 30-, 15-, and 7.5-arc-second (1km, 500m, 250m) resolution
  • GeoTIFF format
  • Multiple sources, multiple dates

GTOPO30

  • 30-arc-second (1km) resolution
  • DEM and GeoTIFF formats
  • Multiple sources, compiled 1993-1996

 

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