Roc d'Enfer
70 mapped runs, 16 lifts and 32.8 km of pistes — every metre measured from open map data and viewable in 3D in the Bonvo Ski app.
Difficulty mix
On the mountain
- 19 km cross-country trails
Bonvo Score breakdown
Computed from mapped terrain data — no editorial opinion, no pay-to-rank. How the score works
Slope-by-slope analysis
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 Grand Souvroz | Intermediate | 2.5 km | 479 m | 19.1% | 5.1 |
| Les Favières | Beginner | 1.6 km | 195 m | 12.2% | 2.8 |
| Le Châl | Intermediate | 1.4 km | 410 m | 29.3% | 4.6 |
| Graydon | Intermediate | 1.4 km | 247 m | 17.7% | 3.2 |
| La Grande Terche | Intermediate | 1.2 km | 304 m | 26.3% | 3.8 |
| La Chanterelle | Easy | 1.1 km | 262 m | 23.5% | 3.4 |
| Follys | Unrated | 1.1 km | 125 m | 11.5% | 2.1 |
| Les Têtes | Easy | 1.0 km | 192 m | 18.3% | 2.8 |
| Eterlou | Intermediate | 952 m | 201 m | 21.1% | 2.9 |
| La Grande Terche | Intermediate | 928 m | 258 m | 27.8% | 3.6 |
| Le Lac | Unrated | 875 m | 130 m | 14.9% | 2.2 |
| Le Lac | Easy | 858 m | 130 m | 15.1% | 2.2 |
| Follys, L'Aigle | Intermediate | 832 m | 200 m | 24% | 3.0 |
| Le Grand Souvroz, Les Favières, Chemin de la Chèvrerie à Foron | Intermediate | 830 m | 102 m | 12.3% | 1.9 |
| Follys | Intermediate | 816 m | 170 m | 20.8% | 2.7 |
| Graydon | Easy | 714 m | 135 m | 18.9% | 2.3 |
| Les Têtes | Intermediate | 691 m | 192 m | 27.8% | 3.1 |
| La Grande Terche | Unrated | 661 m | 193 m | 29.2% | 3.2 |
| Le Plan des Rasses, Bellecombe | Easy | 606 m | 27 m | 4.5% | 0.9 |
| Chargeau | Intermediate | 593 m | 121 m | 20.4% | 2.3 |
| Les Alpages | Easy | 581 m | 158 m | 27.2% | 2.9 |
| Les Favières | Easy | 578 m | 134 m | 23.2% | 2.5 |
| La Savine | Intermediate | 557 m | 174 m | 31.2% | 3.2 |
| Chargeau, Graydon bis | Intermediate | 497 m | 67 m | 13.5% | 1.5 |
| Follys | Intermediate | 479 m | 58 m | 12.1% | 1.4 |
| Graydon bis | Intermediate | 454 m | 45 m | 9.9% | 1.2 |
| Le Grand Souvroz, Chemin de la Chèvrerie à Foron | Intermediate | 395 m | 40 m | 10.1% | 1.1 |
| Le Grand Souvroz, Chemin de la Chèvrerie à Foron | Intermediate | 392 m | 40 m | 10.2% | 1.1 |
| La Bray | Beginner | 365 m | 45 m | 12.3% | 1.3 |
| Les Vous | Advanced | 355 m | 96 m | 27% | 2.4 |
| Graydon, Graydon bis | Easy | 350 m | 97 m | 27.7% | 2.5 |
| Bellecombe, Les Sapins | Easy | 341 m | 34 m | 10% | 1.1 |
| Les Lanches | Beginner | 304 m | 23 m | 7.6% | 0.8 |
| Le Mur | Intermediate | 302 m | 97 m | 32.2% | 2.8 |
| Les Vous | Advanced | 281 m | 98 m | 34.9% | 2.9 |
| La Grande Terche | Unrated | 275 m | 94 m | 34.2% | 2.9 |
| Les Têtes, La Grande Terche | Intermediate | 273 m | 89 m | 32.6% | 2.7 |
| Les Lanches | Easy | 269 m | 40 m | 14.8% | 1.4 |
| Les Têtes | Unrated | 252 m | 53 m | 21% | 1.8 |
| Les Lanches | Intermediate | 249 m | 40 m | 16.1% | 1.4 |
+ 30 more mapped runs and connectors — all of them in the free 3D map in the Bonvo Ski app.
Lift network
16 mapped lifts, moving up to 5,855 skiers per hour.
| Lift | Type | Capacity/h | Ride time | Length | Vertical |
|---|---|---|---|---|---|
| Torchon | Chairlift | 2,000 | 10 min | 1.0 km | 371 m |
| Follys 1 | Platter lift | 900 | 3 min | 499 m | 175 m |
| Follys 2 | Platter lift | 900 | 3 min | 504 m | 174 m |
| École 2 | Drag lift | 600 | 2 min | 200 m | 41 m |
| École 1 | Drag lift | 600 | 1 min | 108 m | 13 m |
| Cabri | Drag lift | 535 | 3 min | 461 m | 117 m |
| Étangs | Drag lift | 320 | 2 min | 107 m | 15 m |
| Grande Terche | Gondola | — | 6 min | 1.5 km | 559 m |
| Chargeau | Chairlift | — | 5 min | 523 m | 178 m |
| Graydon | Chairlift | — | 10 min | 1.0 km | 247 m |
| Bray | Platter lift | — | 3 min | 281 m | 45 m |
| Esserailloux | Platter lift | — | 6 min | 946 m | 286 m |
| Terchette | Platter lift | — | — | 196 m | 15 m |
| Têtes | Chairlift | — | 6 min | 828 m | 219 m |
| Lac | Platter lift | — | 3 min | 565 m | 81 m |
| Lanches | Platter lift | — | 2 min | 255 m | 38 m |
Roc d'Enfer — quick answers
How many ski runs does Roc d'Enfer have?
Roc d'Enfer has 70 mapped downhill runs totalling about 32.8 km of pistes, with the longest single run measuring 2.5 km.
What is the vertical drop at Roc d'Enfer?
The mapped skiable terrain spans 841 m of vertical, from 950 m at the base to 1791 m at the top.
How many lifts does Roc d'Enfer have?
Roc d'Enfer operates 16 mapped lifts moving up to 5,855 skiers per hour.
Ski Roc d'Enfer with the map in your pocket
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.
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