Roc d'Enfer Mountain
Craggy Alpine ridge popular with hikers and skiers
Above Abondance in Haute‑Savoie, Roc d'Enfer offers hiking routes and alpine trails with views across local valleys and toward Lake Geneva on clear days.
Roc d'Enfer at a Glance#
How to Get to Roc d'Enfer#
Roc d’Enfer is accessed from the Haute-Savoie region. Typical starting points include small mountain towns north of Lake Geneva; drive from Thonon-les-Bains or Evian-les-Bains and follow local mountain roads to trailheads. Regional bus services operate in summer; consult local tourist offices for routes.
Tips for Visiting Roc d'Enfer#
- Approach from Les Gets or Thollon for fewer crowds; watch for late-afternoon cloud buildups common in the Alps.
- There are steep and exposed sections - those with vertigo should avoid the narrower ridgelines.
- Local refuges and huts provide up-to-date route information and weather forecasts.
Best Time to Visit Roc d'Enfer#
Summer offers the safest, most rewarding access; winter is for experienced mountaineers.
Weather & Climate near Roc d'Enfer#
Roc d'Enfer's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -5°C to 20°C. Abundant rainfall (1420 mm/year), wettest in December, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -5° - 1° | -6° | 128 mm | - | - | 2.8 m/s | - | - |
| February | - | -5° - 2° | -5° | 132 mm | - | - | 2.9 m/s | - | - |
| March | - | -3° - 5° | -2° | 104 mm | - | - | 3.0 m/s | - | - |
| April | - | 0° - 8° | 1° | 102 mm | - | - | 3.0 m/s | - | - |
| May | - | 4° - 13° | 7° | 112 mm | - | - | 2.9 m/s | - | - |
| June | - | 7° - 17° | 12° | 125 mm | - | - | 2.8 m/s | - | - |
| July | - | 9° - 20° | 14° | 107 mm | - | - | 2.7 m/s | - | - |
| August | - | 9° - 20° | 15° | 106 mm | - | - | 2.5 m/s | - | - |
| September | - | 6° - 16° | 11° | 102 mm | - | - | 2.5 m/s | - | - |
| October | - | 3° - 11° | 5° | 120 mm | - | - | 2.6 m/s | - | - |
| November | - | -2° - 5° | -1° | 137 mm | - | - | 2.8 m/s | - | - |
| December | - | -4° - 2° | -5° | 145 mm | - | - | 2.9 m/s | - | - |