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Boucle du Grand Som

Sport, Pedestrian sports, Hiking itinerary in Saint-Pierre-de-Chartreuse
17.3 km
8h
Very difficult

  • This path overhangs the Monastery of La Grande Chartreuse. You may encounter a monk on your way! Amazing viewpoint from the top.

  • The path starts at the end of the car park. Follow the GR Tour de Chartreuse (yellow and red) signs to the «Habert de Bovinant». Take the path that leaves the track on the right (1). At the Habert de Bovinant, follow «Le Grand Som» (2). From this point, it will take you about 2 hours to get to the the top and to come back on yourself, with some challenging passages. At the Col de Bovinant, turn right and follow the yellow signs to the top. For the way down, follow «La Correrie». At the...
    The path starts at the end of the car park. Follow the GR Tour de Chartreuse (yellow and red) signs to the «Habert de Bovinant». Take the path that leaves the track on the right (1). At the Habert de Bovinant, follow «Le Grand Som» (2). From this point, it will take you about 2 hours to get to the the top and to come back on yourself, with some challenging passages. At the Col de Bovinant, turn right and follow the yellow signs to the top. For the way down, follow «La Correrie». At the junction «1,530 m», follow «Pas du Loup» (3) and «Col de La Ruchère». The Pas du Loup is a challenging passage. If you want to go down in an easier and in a more direct way, keep following «La Correrie». At the Col de la Ruchère (4), follow «La Correrie».
  • Departure
    Saint-Pierre-de-Chartreuse
  • Difference in height
    1312 m
  • Plain text period
    From 01/05 to 31/10.

    Subject to favorable weather.
  • Spoken languages
    • French
  • Documentation
    GPX / KML files allow you to export the trail of your hike to your GPS (or other navigation tool)
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1312 meters of difference in height
  • Maximum altitude : 2006 m
  • Minimum altitude : 841 m
  • Total positive elevation : 1312 m
  • Total negative elevation : -1306 m
  • Max positive elevation : 848 m
  • Min positive elevation : -571 m
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