FAQ

Mask wearing is compulsory for people aged 11 and over, in the welcome building and throughout the tour. Also, the number of visitors per tour is restricted.

The Grotte de Choranche has introduced a health protocol so that you can be hosted, and enjoy your tour, with complete peace of mind.

More details on this page: Our health measures

Yes, dogs are tolerated on site and during the cavern tour, if they behave properly and are kept on a lead. Category 1 and 2 dog breeds must wear a muzzle. The guides reserve the right to refuse a dog whose behaviour is considered dangerous to the other visitors, or if there are too many dogs.

Photos without a pod or flash are authorised.

No, the Grotte de Thaïs is not pushchair accessible.

But you can easily tour the cavern with a very young child, if you bring a baby carrier.

Be sure to dress them warmly: the temperature is a constant 13°C.

Yes, Chèques Vacances (ANCV) are accepted at the Grotte de Thaïs (no change given, up to €30 per payment). 

Since 2021, we have accepted ANCV Connect e-vouchers, with which you can only pay online (up to €30 per payment).

You will walk about 600 metres, including about 100 steps. The stairways are fitted with handrails. The route is uneven in places, with sections that slope up and down slightly.

The tour lasts about 1 hour.

The temperature in the cavern is 13°C all year round. We advise you to bring warm clothing and closed-toe shoes for the tour.

Yes, we have a free car park next to our welcome building. 

The car park is not in the shade.

The cavern itself is not wheelchair accessible. 

For people with mobility problems, more details here: Accessibility

Motorhomes are tolerated in the lakeside car park next to our building (Parking de la Plage).

We invite you to visit this section: Places to eat

Yes, groups received specific rates, per their profile. Advance booking is required.

For more details:  Adult groups , Schools & leisure and Medical-social facilities .

Yes, we offer concessions for students, job seekers and disabled adults. Proof is required.

For more details: Horaires et tarifs

Tickets do not need to be purchased in advance, but we strongly advise you to do so.

You have two options:

- Buy on site: you choose the date and time of your tour, subject to availability.

- Buy online: you choose the date and time of your tour. You must buy your tickets at least 1 hour before your tour starts.

If you're a group or adults or children (about 20 people) or a medical-social facility:

Get preferential rates and book via our dedicated booking service via email: choranche@visites-vercors.com

More details: Groups

We accept various payment methods:

On site: cash, debit/credit cards, bank cheques and ANCV Chèques Vacances vouchers (up to €30 per payment), PassRégion.

Online: debit/credit cards and ANCV Connect e-vouchers (up to €30 per payment).

For more details: Times & prices

We offer smart deals to combine your tour of the Grotte de Thaïs with a cruise aboard the  Paddlewheel Boat and//or and tour of the Jardin des Fontaines Pétrifiantes .

And don't miss the  Grotte de Choranche , a 30-minute drive away. 

Discover our other tourist attractions !

To see prices based on the season, please go to the:  Times & prices

Yes, the tour route is suitable for children and adults of all ages. For very young children, we advise using a baby carrier, so you can move around more easily and keep your baby warm.

No, the Grotte de Thaïs can only be discovered on a one-hour guided tour.