Open data
Hokkaido Backcountry
An open effort to aggregate scattered Hokkaido backcountry route data and show it with interactive 3D terrain, a slope-angle (avalanche) layer, and live per-route snow conditions. Terrain comes from GSI DEM; route content is shared under CC BY-SA.
Open data · attribution
- ● CC BY-SA 4.0 — Route data: CC BY-SA 4.0 (incl. Hokkaido Wilds, CC BY-SA)
- 出典：国土地理院（標高タイル dem5a を加工して作成）
We do not republish YAMAP or other proprietary routes. Published data is CC BY-SA or your own recorded GPX only. The data approach will be reviewed by a Japanese IP lawyer before public launch.