Legal

Data attribution

Last updated 2026-07-02

Map data — OpenStreetMap

Trails, lifts, buildings, boundaries, and resort locations in every xyzski model and in our resort catalog are derived from OpenStreetMap, available under the Open Database License (ODbL).

Map data © OpenStreetMap contributors (ODbL)

Every embed renders this notice in its attribution chip, linked to the OpenStreetMap copyright page. It may not be removed on any tier.

Terrain — United States

US elevation data comes from the USGS 3D Elevation Program (3DEP), a work of the United States Government in the public domain.

Terrain: USGS 3DEP (public domain)

Terrain — worldwide

Outside the US we use the Copernicus DEM GLO-30, produced using Copernicus WorldDEM-30.

Forest cover — ESA WorldCover

Forest masks are derived from the ESA WorldCover 2021 product, licensed CC BY 4.0.

In the product

Each terrain bundle's manifest carries the attribution strings for its own sources, and the viewer renders them automatically. If your integration opts to render attribution itself (the external mode of the JS API), the obligation to display these notices transfers to you.