Mont Blanc de Cheilon Mountain

Alpine peak in Valais, part of Pennine Alps

Part of the Pennine Alps in Valais, Mont Blanc de Cheilon attracts alpinists for glacier routes, high‑altitude huts and technical climbs across rugged peaks and ice fields.

Main image

Mont Blanc de Cheilon at a Glance#

Address: Mont Blanc de Cheilon area, Valais, Switzerland (approaches from Arolla)

Admission: Access depends on mountain hut bookings and route permits; typical Swiss alpine hut fees apply

About Mont Blanc de Cheilon#

Mont Blanc de Cheilon is a 3,870-metre peak in the Pennine Alps of Valais, Switzerland, forming part of a glaciated massif above the Lac des Dix basin.

The mountain is a high-alpine objective with glacier travel and mixed climbing routes; approaches typically use alpine huts and crevassed glacier terrain. The surrounding area includes extensive glaciation and high mountain lakes that attract mountaineers and ski mountaineers.

The peak was first climbed in the 19th century during the period of early Alpine exploration; since then it has been part of local alpine mountaineering routes and glacier studies in the Swiss Alps.

Situated in the canton of Valais, Mont Blanc de Cheilon overlooks the Lac des Dix and lies within the high Pennine chain of Switzerland, accessible from valleys leading up into the central high Alps.

  • Alpine access: Part of the Pennine Alps in the canton of Valais and commonly climbed from huts on adjacent glacier routes during the summer mountaineering season.

What to See#

  • Glacier de Cheilon: Glacier de Cheilon descends the mountain’s slopes and feeds into local glacial valleys; the massif is commonly accessed from trails around the Otemma and Cheilon glaciers.

How to Get to Mont Blanc de Cheilon#

Common approaches begin from the Arolla valley in Valais; access by regional train to Sion or Martigny and then local buses or drives to Arolla. Mountain hut reservations are essential for multi-day routes.

Tips for Visiting Mont Blanc de Cheilon#

  • Book mountain huts (refuges) well in advance during summer peak season.
  • Glacier travel is involved on many routes - use guides and proper gear for crevasse safety.
  • Check current route conditions and weather forecasts - alpine weather changes rapidly.

Best Time to Visit Mont Blanc de Cheilon#

Climbing and approach windows are typically in the high-summer months; glacier conditions require expertise and up-to-date information.

Summer climbing season
June-September · 0-12°C (alpine conditions)
Most accessible period for mountaineering with snow melting on lower slopes.

Weather & Climate near Mont Blanc de Cheilon#

Climate

Mont Blanc de Cheilon's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -14°C to 5°C. Semi-arid with limited rainfall, distributed fairly evenly throughout the year.

Air Quality: AQI 34 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
23°
Warmest Month
-29°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -14° - -9° -21° 32 mm partly cloudy 84% 7.2 m/s 0.2 low 9.0h
February Poor -15° - -10° -21° 29 mm partly cloudy 84% 6.8 m/s 0.3 low 10.2h
March Poor -14° - -9° -21° 33 mm partly cloudy 87% 7.0 m/s 0.6 moderate 11.8h
April Poor -13° - -8° -19° 22 mm overcast 83% 6.5 m/s 1.0 high 13.4h
May Poor -8° - -3° -13° 23 mm overcast 78% 5.9 m/s 1.4 high 14.7h
June Poor -4° - 1° -8° 22 mm partly cloudy 75% 5.7 m/s 1.8 very high 15.4h
July Acceptable -1° - 4° -3° 24 mm partly cloudy 75% 5.6 m/s 1.9 very high 15.1h
August Acceptable 1° - 5° -1° 29 mm partly cloudy 75% 5.1 m/s 1.6 very high 13.9h
September Acceptable -2° - 2° -5° 26 mm partly cloudy 78% 5.7 m/s 1.0 high 12.4h
October Poor -5° - -2° -10° 20 mm partly cloudy 80% 6.0 m/s 0.5 moderate 10.8h
November Poor -10° - -5° -16° 29 mm partly cloudy 85% 6.8 m/s 0.2 low 9.4h
December Poor -12° - -8° -19° 23 mm partly cloudy 83% 7.3 m/s 0.1 low 8.6h

Nearby Attractions to Mont Blanc de Cheilon#