Avalanche · BERA · Northern French Alps

Mont-Blanc avalanche bulletin: where to read it

Mont-Blanc is massif no. 3 in Météo-France's official list, in the Northern French Alps (Haute-Savoie). Its avalanche bulletin (BERA) is on the Northern Alps page of meteofrance.com: pick Mont-Blanc on the map. Alpow shows it as published, for free.

By bonout, publisher of Alpow · published 6 November 2026

This page gives neither today's danger level nor a summary of the bulletin: for that, read the official bulletin.

The massif, from the official source

Official name: Mont-Blanc.
Number: 3, as used by Météo-France's public API.
Range: Northern French Alps. Department: Haute-Savoie.
Outline: the one published by Météo-France, shown on the meteofrance.com map and on Alpow's map.

The French Mont-Blanc bulletin covers the French side. For a route that crosses into Switzerland or Italy, it does not replace those countries' bulletins.

Finding the bulletin

Open the Northern Alps avalanche page on meteofrance.com.
Pick Mont-Blanc on the map of massifs.
Check the time of issue and the end of validity before reading it.

Météo-France writes the bulletin in French; Alpow does not translate it. Out of season, no bulletin is published.

Resorts attached to this massif in Alpow

In Alpow, these resorts belong to the Mont-Blanc massif: their page shows this bulletin.

Brévent/Flégère (Chamonix)
Les Grands Montets
Megève
Les Houches - Saint-Gervais and Les Contamines, in the app.

Avoriaz belongs to the Chablais massif in Alpow, and resorts in the neighbouring Aravis massif have their own bulletin: check the massif before reading a level.

Vigilance and observations are separate

Météo-France's avalanche Vigilance covers a department, here Haute-Savoie, on vigilance.meteofrance.fr. Observed, dated avalanches are listed for example on data-avalanche.org. Neither is the BERA.

Getting this bulletin in Alpow

Alpow's Avalanche screen for the Haute-Tarentaise massif: danger by altitude, a sentence of the bulletin quoted as written, a "Read the full bulletin" link and a meteofrance.com link. — App screenshot with demo data: this is not a real bulletin or today's danger level. The dates shown are made up.

Open the Avalanche tab and pick Mont-Blanc, or open the page of a Chamonix resort or Megève.
Tap "Get this massif's BERA". You can also turn it on in Me › BERA alerts › Followed massifs.
Allow notifications when iOS asks.

You will get a notification when Météo-France publishes a new bulletin for this massif. It reports a publication, not an avalanche. Details and settings: avalanche bulletin notifications.

Neither this guide nor Alpow tells you whether a slope can be skied without risk.Alpow does not replace the official bulletin or your own judgement. In the mountains, you are responsible for your decisions.

Sources

Find the Mont-Blanc bulletin in Alpow