GIS Resources

A digital elevation model (DEM) is a 3D CG representation of a terrain's surface created from a terrain's elevation data.

Calgary

• New! City of Calgary DEM LiDAR 1m and 2m, by ATS section (contact SANDS)

 Alberta

• Calgary Regional Partnership 2017 10m, Calgary-Chestermere (contact SANDS)
• AltaLIS DEM LiDAR 15m, description
  • TIFF format | Access via web application
  • ASCII format By Township (meridian-range-township) | (contacts SANDS to obtain)
• AltaLIS 10m
  • TIFF format by 250K NTS grid | Access via web application
  • 1:20K NTS Grid, 1:50K NTS grid, and province wide (seamless) | (contacts SANDS to obtain) to obtain.
• AltaLIS raw DEMs open data, 1:20k grid
  • processing: contact SANDS for instructions
• DMTI 30m, 1:50 NTS grid
  • TIFF format | Access via web application
  • ASCII format | (contacts SANDS to obtain)
• ArcCanada v3 30s (approx. 1KM) province wide
  • TIFF format | Access via web application
• Grand Prairie LiDAR, divided by quarter section

Canada

• DMTI 30m, 1:50 NTS grid, Canadian Provinces (partial)
  • TIFF format | Access via web application
  • ASCII format | (contacts SANDS to obtain) to obtain.
• ArcCanada v3 30s (approx. 1KM), province and territory wide
  • TIFF format | Access via web application
• Govt of Canada Geospatial Data Extraction tool
  • define geographic area and download topographic and elevation data
  • Canada3D - DEM of Canada, 30m and 300m
  • High Resolution DEM now includes Canadian Arctic 5m (June 2021 update) (June 2022 update)
  • Medium Resolution DEM , comprehensive coverage across Canada, 30m resolution
  • HRDEM Mosaic Visualization Tool

• LiDAR Point Clouds from NRCan. (Spec Sheet - PDF)

•  Government of British Columbia, Open LiDAR Data Portal: DEM, DSM, and Point Cloud

United States

• USGS National Map Elevation

International 

• ArcticDEM an NGA-NSF public-private initiative to produce a high-resolution, digital surface model of the Arctic using optical stereo imagery, high-performance computing, and open source photogrammetry software
• ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer)
  • coverage: global, 1 arc second (30m) resolution, 1 x 1 degree tiles, geotiff format
  • use USGS Earth Explorer to download
• GTOPO30
  • coverage:  global, grid spacing of 30 arc seconds (approx 1 km)
  • use USGS Earth Explorer to download
• OpenTopography - distributor of free high-resolution topographic data, related tools, and resources
• SRTM (Shuttle Radar Topography Mission)
  • coverage: latitude 57 south - 61 north, 30m resolution
  • SRTM 30m Tile Downloader