Snowline is an unofficial fan project. It is not affiliated with, endorsed by, or sponsored by Ikon Pass, Epic Pass, Alterra Mountain Company, Vail Resorts, or any resort. Resort names are used only to identify places. No trail-map artwork, logos or branding are used.
Elevation: Terrain Tiles on AWS (Mapzen), built from open data including USGS 3DEP, SRTM, GMTED2010, ETOPO1 and others. Lifts and runs: © OpenStreetMap contributors (ODbL), via OpenSkiMap. Tree cover: © ESA WorldCover project 2021 / contains modified Copernicus Sentinel data (CC BY 4.0). Buildings, lakes and place names: © OpenStreetMap contributors. High-detail mountains use national lidar and aerial imagery, recoloured for winter: USGS 3DEP and USGS/USDA NAIP (United States), © IGN RGE ALTI and BD ORTHO (France), NRCan HRDEM (Canada), © swisstopo SWISSIMAGE (Switzerland), basemap.at (Austria, CC BY 4.0), Autonomous Province of Bolzano (South Tyrol), and the Geospatial Information Authority of Japan. Each mountain lists its own sources below. Globe outlines: Natural Earth.
Terrain and trails are approximations. Do not use for navigation.