Grand Couloir (Mont Blanc)

The Grand Couloir is a couloir on the Aiguille du Goûter. At 3,340 metres (10,960 ft) altitude, this gully has to be traversed on foot to reach the scramble beyond the Tête Rousse Hut (3,167 metres (10,390 ft)) up to the Goûter Refuge (3,835 metres (12,582 ft)) on the Goûter Route on Mont Blanc.

Accidents

This gully is a well-known accident spot in dry conditions when little or no snow binds the loose surface rocks together. The couloir can channel falling stones to present a serious hazard to climbers crossing between the relatively safe sides. It is a site of many fatal accidents and narrow escapes on the popular Goûter Route. For this reason the press sometimes refers to the passage as the "couloir de la mort", "corridor of death" or "gully of death" when reporting on the frequent accidents at or around this spot during the summer climbing season or compare passing through it to Russian roulette.[1][2][3][4][5][6]

This is one of the main reasons the daily number of climbers allowed has been limited since 2019.[7]

A study describing the situation as "The Gouter Problem" mentions that 75% of the rockfalls at the spot occur between 10 am and 4 pm, with on average one event of rock fall every 17 minutes between 11 am and 12 am.[8]

From 1990 to 2011, French mountain police force registers show 291 rescue operations in the Goûter couloir. 74 of those rescued died and 180 were injured.[9] By 2017 that total rose to 347 rescue operations, 102 deaths and 230 injuries.[10][11]

During the extremely hot summer of 2015, the Goûter Hut was temporarily closed on prefectural order to dissuade climbers from taking this route.

Accident prevention

In 2020 the Petzl Foundation published the results of a study of a potential alternative route. The study found that the alternate would be more dangerous than the current path through the couloir.[12] Several geotechnical experts studied the local geomorphological conditions and concluded that melting permafrost significantly increases the danger of crossing the couloir.[13] A complete removal of the metal cables was considered after the 2017 season, but it was noted that deaths occurred in places without cables.[14]

References

  1. ^ Clatworthy, Ben (17 February 2018). "Mont Blanc plan to scare novice climbers from corridor of death". www.thetimes.com. Retrieved 29 October 2025.
  2. ^ "A 30-year-old British alpinist lost his balance and fell | Chamonix.net". www.chamonix.net. Retrieved 29 October 2025.
  3. ^ "Briton dies in fall near summit of Mont Blanc". www.telegraph.co.uk. Retrieved 29 October 2025.
  4. ^ "Climbers and guide die in latest Mont Blanc tragedy". The Guardian. 18 August 2014. ISSN 0261-3077. Retrieved 29 October 2025.
  5. ^ "La hausse des températures rend le "couloir de la mort" de plus en plus impraticable" (in French). 26 August 2012. Retrieved 29 October 2025.
  6. ^ "Lo scandalo del canalone del Goûter, la roulette russa sul Monte Bianco". Cantieri d'alta quota (in Italian). 21 November 2015. Retrieved 29 October 2025.
  7. ^ "New Regulations to Climb Mont Blanc via the Normal Route in 2019". Explore-Share.com. Retrieved 29 October 2025.
  8. ^ "Blaise Agresti - The Gouter Problem on Mont Blanc". Slideshare. Retrieved 29 October 2025.
  9. ^ "Fatality on Goûter Route!". www.chamonix.net. Retrieved 29 October 2025.
  10. ^ Climbing Mont Blanc: 10 reasons to think twice
  11. ^ Why Is Mont Blanc One of the World's Deadliest Mountains? – Over-eager guides and casual tourists crowd France's Mont Blanc, which has highest fatality rate in Europe
  12. ^ "Mont Blanc: how can we reduce accidents in the Goûter couloir?". www.petzl.com. Retrieved 29 October 2025.
  13. ^ Mourey, Jacques; Duvillard, Pierre-Allain; Marcer, Marco; Marsy, Guilhem; Ravanel, Ludovic; Antoine, Rabatel (2018). 5th European Conference on Permafrost, Book of Abstract.
  14. ^ "MONT BLANC. Vers la fin des câbles du Goûter ?". www.ledauphine.com (in French). 12 February 2018. Retrieved 29 October 2025.
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