Simply the pistes added in the openstreetmap database every year until now,2014 update.
Openstreetmap ski map is still the most comprehensive ski map world-wide. On28.12.2014, 79665 km of ski trails on the map.
- Nordic: 31820 km
- Alpine: 26823 km
- Lifts: 17132 km
- Skitour: 2379 km
- Sled: 953 km
- Snowshoeing: 558 km
Yves