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On this page
  1. Export data from RACEMAP

Hosted elevation service

Use our open elevation data API with highest vertical precision of 1 m

PreviousExport data from RACEMAPNextHosted loads information

Last updated 9 months ago

The provides a vertical accuracy of 30 m and there is no other open elevation service providing more accurate data available. During the development of we noticed, that this cartographic data is not precise enough and we developed a self-hosted elevation service (vertical accuracy of 1 m), you can use for your own projects under MIT license. You either host this service yourself or just use our API.

  • Mapzen terrain data:

  • GitHub documentation and source code:

  • hosted elevation service:

Working with the elevation data API

You can download portions of the data. The data is organized by latitude/longitude where each chunk is 1x1 degree. Eg. for downloading the UK data you need to know the lat/lng extent of the UK and download all the necessary files. Example:

aws s3 cp --no-sign-request s3://elevation-tiles-prod/skadi/N51/N51E000.hgt.gz /path/to/data/folder/N51

Make sure to reproduce the file structure when downloading, e.g. ./N51/N51E001.hgt.gz. The whole dataset is just ~200GB, so maybe it is even feasible to download the whole thing.

Regarding the licensing, please check for yourself: &

https://registry.opendata.aws/terrain-tiles/
https://www.mapzen.com/terms/
Google elevation API
Predictive Tracking
https://registry.opendata.aws/terrain-tiles/
https://github.com/racemap/elevation-service#api-usage
http://elevation.racemap.com/v2/?lat=51.3&lng=12.5