21 mapped runs, 0 lifts and 10.9 km of pistes — every metre measured from open map data and viewable in 3D in the Bonvo Ski app.
Computed from mapped terrain data — no editorial opinion, no pay-to-rank. How the score works
Every run measured from elevation-aware map geometry: true length, vertical drop, average gradient and a 0–10 slope score that rewards long, sustained descents.
| Run | Difficulty | Length | Vertical | Avg grade | Slope score |
|---|---|---|---|---|---|
| Le Chevreuil | Easy | 2.4 km | 386 m | 16.3% | 4.4 |
| La Forêt | Intermediate | 1.3 km | 228 m | 17.8% | 3.1 |
| Fontany | Intermediate | 1.2 km | 389 m | 32.4% | 4.6 |
| L'Ours | Intermediate | 820 m | 221 m | 27% | 3.3 |
| Le Pré des Boeufs | Advanced | 809 m | 257 m | 31.8% | 3.7 |
| L'Ardennaise | Easy | 683 m | 154 m | 22.5% | 2.6 |
| Le Roc à L'Âne | Advanced | 585 m | 226 m | 38.6% | 3.9 |
| Liaison Praz-Rupt | Easy | 522 m | 57 m | 10.9% | 1.4 |
| Le Goulet | Advanced | 371 m | 179 m | 48.2% | 4.0 |
| La Forêt | Intermediate | 308 m | 45 m | 14.6% | 1.4 |
| Les Bosses | Advanced | 282 m | 123 m | 43.6% | 3.6 |
| Raccourci Chevreuil | Easy | 223 m | 53 m | 23.8% | 2.0 |
| Le Chevreuil | Easy | 219 m | 36 m | 16.4% | 1.4 |
| Le Flocon | Beginner | 200 m | 21 m | 10.5% | 0.9 |
| Le Roc à L'Âne | Advanced | 110 m | 44 m | 40% | 2.9 |
| La Forêt, Le Roc à L'Âne | Intermediate | 25 m | 9 m | — | 0.1 |
| Le Pré des Boeufs, La Forêt | Intermediate | 7 m | — | — | 0.0 |
+ 4 more mapped runs and connectors — all of them in the free 3D map in the Bonvo Ski app.
La Sambuy Seythenex has 21 mapped downhill runs totalling about 10.9 km of pistes, with the longest single run measuring 2.4 km.
The mapped skiable terrain spans 673 m of vertical, from 1155 m at the base to 1828 m at the top.
Lift data for La Sambuy Seythenex is being processed.
Every run and lift on this page, rendered in interactive 3D — and it keeps working in airplane mode at the top of the mountain. Free on the App Store.
826.8 km pistes · 1339 runs · 170 lifts
539.9 km pistes · 924 runs · 163 lifts
175.4 km pistes · 300 runs · 74 lifts
303.1 km pistes · 421 runs · 91 lifts
299.7 km pistes · 440 runs · 107 lifts
267.7 km pistes · 488 runs · 80 lifts