226 Swiss day hikes scored for snow from Sentinel-2 satellite imagery, with weather models filling the gaps the clouds leave. Each score belongs to the date it was read.
226 of 226 hikes read clear. None read snowy.
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Showing 226 trails
We extract the hiking routes in Switzerland from OpenStreetMap (network tags: iwn, nwn, rwn, lwn), filter for day-hike distances (4–80 km), then score each route on quality and snow. Routes whose name in OpenStreetMap is a tagging error rather than a name are left out.
This list is built from what OpenStreetMap holds as a hiking route, which is not the same as the hikes people know. Many well-known Swiss day hikes are not one route relation, and short walks between two lift stations are missing entirely. Rebuilding the selection around the named hikes, their huts and their lifts is in progress.
Each trail's geometry is sampled against our Sentinel-2 satellite snow layer using the route-forecast API. Cloud gaps remain unknown. The score summarizes
observed clear samples on the date shown; even a score of 100 is not a guarantee that
the whole trail is snow-free today.
These pages do not start from a place we chose, because visitors read them from everywhere. Where a parking spot was found near the trailhead, it is linked. Public transport to each trailhead, and travel time from a station you pick, are being added.
Trails whose start and end points are within 500 m of each other are marked as loops 🔁. A loop needs no transport between two different ends.
Click "🗺️" to open any trail in the TrailSplits planner with the snow overlay enabled. This lets you visually verify the satellite-based snow assessment against the actual trail route on the map.