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Fichier 7@4x-8.png
Author: Geodatasolutions (Olivier Curdy)
License: Mozilla Public License 2.0
Languages: German, French, Italian, and English
Source code:
Programming languages: TypeScript, Java, HTML, and CSS


CH-OSM is a GeoDataSolutions project, which offers services related to thematic data from OpenStreetMap. Currently these services are provided at the scale of Switzerland and Grand Genève metropolitan area. The data of the different services are updated daily.

The thematic data disseminated by CH-OSM are all derived from the OpenStreetMap geodatabase.

Use OGC Services

The WMS/WFS Flow service offered by CH-OSM provides direct access to vector data layers under QGIS or any other OGC service client environment. These services are referenced in an Isogeo catalogue, offering a single point of contact, a search interface and metadata consultation. OGC services are available at the following URL:

  • WMS 1.3.0:
  • WFS 2.0.0:

CH-OSM Terms of use

You are free to use OGC services (WMS/WFS flows…) and visualization portals, provided that you respect the following attribution (with the link): © GeoDataSolutions for WMS/WFS flows (to be added after the © OpenStreetMap contributors related to OpenStreetMap data).

The source code of Portail CH-OSM is published on GitLab under free license MPL-2.0.

These various resources are provided free of charge, without any guarantee of service. If you use our services on a regular basis, please send us a short message to inform us: we are interested in your feedback. Thank you!

CH-OSM is a trademark of the OpenStreetMap Foundation, and is used with their permission. This project are not endorsed by or affiliated with the OpenStreetMap Foundation.

Ask, report, suggest

GIF de l'app

Any particular need?

Do you need a new layer with a special treatment of the OpenStreetMap data? Do you need a new functionality to our Visualization Portal? Do you need a service guarantee, or do you need us to help you set up a custom infrastructure related to OSM data? Do not hesitate to contact us:

Report a bug, suggest an improvement

You want to report a problem on the CH-OSM portal, suggest an improvement or a new thematic layer?

Go to the GitLab code repository of the CH-OSM project.


Thanks to the communities OpenStreetMap and more broadly, free software, for data, content and tools (osmosis, osm2pgsql, osmium, PostgreSQL/PostGIS, QGIS, GNU/Linux Debian and all the others).

Thanks to Geofabrik for the daily diff files, thanks to Charles Millet whose styles QGIS we provide a good start to produce the SLD styles.

Thanks to GeoAdmin who provide the geocoding Search API REST Services, Matomo for the analytical follow-up.

Many thanks to Magellium and its thematic data service from OSM Magosm from which this site draws heavily.