After a pleasant 2-hour walk, we’ll enter the Dent network via its lowest entrance: the Guiers Mort and its thousand-year-old porch.

We’ll then take an unusual underground route that links 2 of the most beautiful existing routes in the network. The exit offers a magnificent panorama of the Grenoble valley and the mountains, from Mont Blanc to Oisans.

Then it’s time for a final effort to get back to our starting point and complete this route, which corresponds to stage 2 of the 7holes Challenge.


Difficulty :


Because of its difficulty, this route requires knowledge of certain caving techniques for progressing on a rope. Failing that, a preliminary run or a training day will enable you to acquire these techniques. Don’t hesitate to contact us so that we can assess this together.




EQUIPMENT & Management

All caving equipment (helmets, wetsuits, harnesses, etc.) is provided.

This route is fully managed by 1 Professional Caving Guide.


Do you have one or more preferred dates?
Contact us to let us know your availability.


Guided group package: € 719
€410 / person
€310 / person
€262 / person

Booking - 7holes : Hole 2 - Hole 3