beta

Data sources and licences

Effective from 1 November 2026

Weather forecast

Weather: Open-Meteo.com, licence CC BY 4.0. From Open-Meteo we use forecasts from these models: DWD ICON-D2 and ICON-EU, the ICON-EU EPS ensemble (Deutscher Wetterdienst), ECMWF IFS 0.25°, GeoSphere Austria AROME and Météo-France AROME HD. We calculate the scores from them ourselves.

Weather history (season planning, calibration)

Copernicus ERA5 and ERA5-Land reanalyses (Copernicus Climate Change Service, ECMWF) via the Open-Meteo historical API. Contains modified Copernicus Climate Change Service information; neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.

Weather stations (accuracy checks and calibration)

  • ČHMÚ – Czech Hydrometeorological Institute, opendata.chmi.cz, CC BY 4.0,
  • SHMÚ – Slovak Hydrometeorological Institute, opendata.shmu.sk, CC BY 4.0,
  • IMGW-PIB: Źródłem pochodzenia danych jest Instytut Meteorologii i Gospodarki Wodnej – Państwowy Instytut Badawczy (dane przetworzone), danepubliczne.imgw.pl,
  • DWD – Deutscher Wetterdienst, opendata.dwd.de, CC BY 4.0,
  • GeoSphere Austria, data.hub.geosphere.at, CC BY 4.0,
  • MeteoSchweiz / MeteoSwiss, Open Government Data, CC BY 4.0,
  • WSL-Institut für Schnee- und Lawinenforschung SLF, CC BY 4.0,
  • station metadata: WMO OSCAR/Surface.

Resorts, slopes and lifts

OpenSkiMap (OpenSkiData) and OpenStreetMap, © OpenStreetMap contributors, licence ODbL 1.0. We calculate accommodation tips from OpenStreetMap data (ODbL).

Travel time by car

OSRM using data © OpenStreetMap contributors (ODbL). Driving time without traffic.

Maps

Map tiles: OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors. Rendering: MapLibre GL JS (BSD-3). Attribution is also shown directly in every map.

Avalanches and webcams

For each resort we link to the relevant official avalanche warning service (regions according to EAWS, CC0). Webcam previews from foto-webcam.eu are shown unmodified in accordance with their terms and with a link to the source.

Accommodation

Accommodation offers and prices are shown by our partner Stay22 only after you click an affiliate link. This has no influence on the ranking of resorts or the selection of tips.