Is the Fontainebleau forest fire the largest on record in Île-de-France?

Published by Graziella de Sortiraparis · Photos by My de Sortiraparis · Updated on July 13, 2026 at 04:23 p.m.
This marks a grim historical milestone for the Paris region. With more than 800 hectares scorched by flames in the Fontainebleau massif, the ongoing fire is the largest on record in Île-de-France.

All of Île-de-France’s forests are affected. And with climate change, this trend isn’t going to ease,” warned the National Office of Forests forests (ONF) in 2022. Four years later, after the fires that swept the south of France, a massive blaze has erupted in the Forest of Fontainebleau this Sunday, July 12, burning already 8,00 hectares, about 5% of the massif.

With the heat waves that have rolled in since May and the brutal drought gripping French soils, particularly in Île-de-France, even a spark can spark disaster. And Île-de-France is not immune to these blazes, which have consumed 287,000 hectares of forests. This time, the Three-Pignons sector is facing an environmental catastrophe of unprecedented scale, the largest wildfire ever recorded in Île-de-France since modern records began.

A blaze of unprecedented scale for the Paris region, crossing a critical threshold typically reserved for the great Mediterranean or Gironde fires. For comparison, the last major fire to strike the area, in the summer of 2022 at Rochefort-en-Yvelines, burned about a hundred hectares, which was already a very serious warning at the local level.

The scale of the operation is therefore substantial, as evidenced by the deployment of two Canadairs that will scoop water from the Seine between Chartrettes and Bois-le-Roi — something that had never happened before.

A few guidelines for anyone in the area:

  • Access ban on the massifs: Authorities have issued strict prohibitions on entering the forests, woodlands and hiking trails in the area (and zones within 200 meters) to avoid hampering rescue operations and to prevent toxic exposures.
  • Absolute ban on smoking and open flames: No barbecues, campfires or discarded cigarette butts near vegetation.
  • Behavior on the roads: Do not visit the area out of curiosity to watch the firefighting efforts or the Canadair aircraft. In nearby traffic, do not throw anything out of windows and keep access routes clear for emergency vehicles.
Practical information
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