Open Digital Elevation Model (OpenDEM)
The Portal for sharing the 3rd Dimension

openDEM Searcher


Tirol (Austria) was added to the OpenDemSearcher and data links were updated.

DTM and DSM are provided with 1 m resolution by the Abteilung Geoinformation under the Creative Commons Attribution 4.0 International license.

Several data links for the high-resolution DEMs in Austria were updated.

Thanks for the advice Marcel!

openDEM Searcher


Taiwan was added to the OpenDemSearcher.

A DTM is provided with 20 m resolution by the National Development Council.




GEBCO 2021 data is now available in OpenSeaMap

Choose "View" from the top menu and activate the "Marine Profile (1:920.000)".

The vector data blended with OpenStreetMap was prepared for a WebMapTileServices in cooperation with the OpenSeaMap project. Further thanks to Kommunikationsnetz Franken e.V. (KNF) for the support.

There is also a map view available here on this website with FeatureInfo functionality.

Be aware that processing lines and contours with gdal_contours do not always come to the same results.

openDEM Searcher


Hesse (Germany) was added to the OpenDemSearcher.

DTM and DSM are provided with 1 m resolution by the Hessische Verwaltung für Bodenmanagement und Geoinformation.



Gebco Bathymetry Polygon Layer - Missing polygons were processed

Download the datasets here.




Attention! There are areas were the processing failed for some polygons of the Gebco Bathymetry Polygon Layer

Gebco Polygon Error