Cabane de Bertol CAS – High-Alpine Hut Guide

The Cabane de Bertol CAS is one of the most spectacular and committed huts in the Val d’Hérens, dramatically perched on a rocky ridge above extensive glacier terrain. Famous for its exposed ladder access and breathtaking views, Bertol is a true high-alpine hut aimed at experienced hikers and mountaineers seeking a serious mountain experience rather than a simple overnight stay.

• Hut Overview

  • Location: Val d’Hérens, Canton of Valais, Switzerland

  • Altitude: 3,311 m

  • Type: Serviced CAS high-alpine hut (with winter room)

  • Capacity: Approx. 70–75 sleeping places

  • Season:

    • Guarded: usually mid-June to mid-September

    • Winter room: accessible outside the guarded season

  • Managed by: Swiss Alpine Club (CAS)

• Access & Approaches

  Reaching the Cabane de Bertol is demanding and exposed, even in good conditions.

  • Main approach: From Arolla via the Bertol Glacier

  • Ascent time: ~5–6 hours

  • Elevation gain: ~1,500–1,700 m

  • Terrain: Moraines, glacier travel, snowfields, long exposed ladders

  • Difficulty: T4–T5 / alpine

  • Requirements: Sure-footedness, head for heights, glacier experience

  The final access via vertical ladders is iconic and should not be underestimated.

• Facilities & Comfort

  Despite its extreme position, the hut offers solid CAS comfort during the guarded season.

  • Dormitories with mattresses and blankets

  • Half-board meals

  • Drinking water available (often from snowmelt)

  • Indoor toilets

  • Limited electricity for lighting

  The winter room is basic and intended for fully autonomous use.

• Food & Atmosphere

  Meals are hearty and functional, designed for climbers preparing early starts. The atmosphere is technical and focused, with evenings often spent discussing routes, weather windows, and glacier conditions.

• Prices & Booking

  • Rates: Standard CAS hut prices

  • Discounts: CAS member discounts apply

  • Booking: Strongly recommended due to popularity

  • Payment: Cash preferred

  Bertol is frequently full in peak season.

• Best Routes From the Hut

  The Cabane de Bertol is a key base for major alpine objectives:

  • Mont Collon (3,637 m) – classic ascent

  • Tête Blanche (3,710 m) – glacier route

  • Arolla – Zermatt Haute Route (classic section)

  • High-alpine traverses toward the Valpelline

  All routes involve glacier travel and full alpine equipment.

• When to Go

  • Best season: July to September

  • Conditions: Cold nights, rapid weather changes

  • Main risks: Crevasses, exposure, icefall, storms

  Early starts and stable forecasts are essential.

• Who Is This Hut For

  • Experienced alpine hikers

  • Mountaineers and alpinists

  • High-mountain photographers

  • Not suitable for beginners or casual hikers

• Practical Tips

  • Wear a helmet for the ladder section

  • Carry full glacier equipment

  • Start the ascent early

  • Bring a hut sleeping bag liner

  • Monitor weather and glacier conditions closely

Why This Hut Is Worth Visiting

At 3,311 m, the Cabane de Bertol CAS offers one of the most dramatic hut experiences in the Alps. Its exposed access, commanding glacier views, and strategic position on the Haute Route make it a legendary destination for experienced alpinists seeking commitment, altitude, and unforgettable scenery.