Discover the Isère caves with Acet 'eau. The underground environment is a mysterious world full of riches: concretions, caves, underground rivers, fauna... Come and discover them and share a convivial moment underground.

Close to Grenoble and Voiron, in Chartreuse and Vercors, go with passionate guides. A timeless journey within everyone's reach, from 6 years old.

All year round, even on rainy days, Acet'eau offers you the formula adapted to your desires. .We adapt to your level and offer discovery outings whether you are with family, friends or colleagues.

A training course to learn and practice caving independently is also offered.
Are you looking for an outing in Isère? We also help you organize a festive outing (bachelor party), a business seminar, or an outing with your class.

We have selected a few routes for you in Chartreuse and Vercors:
-Cave of Saint Aupre, in Saint Aupre
-Grotte du Curé, in St Pierre d'Entremont
-The Crolles tooth in St Pierre en Chartreuse
-Les Eymards, in Lans en Vercors
Le Gournier, in Choranche
Come and cool off in the summer and warm up in the winter in the caves! Constant temperature all year round (about 13°c)

Groups are reduced for better conviviality. Your memories will be immortalized thanks to our free photos!


  • From 6 years old)
  • Groups welcome up to 8 people.


  • Special family with children
  • Suitable for beginners
  • Reserved for experts/confirmed


  • Supervised practice
  • Courses
  • Materials provided
  • Intership
  • Courses
  • Private lesson
  • Introductory course
  • Course development

Sports activities

  • Climbing sports / Rope sports
  • Potholing


Reservation required by phone or email


All year, on request.


Adult: from €40 (per person).

Payment method

  • Cheque
  • Classic Holiday Vouchers
  • Cash



  • Minimum number of people: 3

Home of animals

  • Animals accepted: not communicated