in CHATEAUDUN

Grottes du Foulon

An underground attraction covering more than a hectare beneath the town of Châteaudun, explore this natural cellar formed in the limestone and discover the diversity of this subterranean world: galleries, pillars, giant pots… At the end of the tour the caves are illuminated in vibrant colour.
Description
Natural caves dug millions of years ago by run-off water, the Grottoes of Foulon are also prehistoric caves. The first Paleolithic settlement 300,000 years ago and the history of humanity through the ages will be recounted to you, as well as the history of Chateaudun, which is more recent. An exceptional geological site, the Grottoes of Foulon are the only grottoes in the world where the visitor can see thousands of sea geodes, quartz and chalcedony in a natural setting. Like an open book about the history of the Earth, such as the visible layer of the extinction of dinosaurs, the Grottoes of Foulon have a lot of secrets in store for us, such as the giant marine mammal bones discovered in 2010.
We speak : French, English

Visit

Average length of individual visit : 01:00 min.
Average length of group visit : 01:00 min.

opening

Opening hours from 05 April to 30 June 2025
MondayOpen from 02:00 pm to 04:00 pm
TuesdayOpen from 02:00 pm to 04:00 pm
WednesdayOpen from 02:00 pm to 04:00 pm
ThursdayOpen from 02:00 pm to 04:00 pm
SaturdayOpen from 02:00 pm to 05:00 pm
SundayOpen from 02:00 pm to 05:00 pm
Opening hours from 01 July to 31 August 2025
MondayOpen from 02:00 pm to 06:00 pm
TuesdayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 06:00 pm
WednesdayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 06:00 pm
ThursdayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 06:00 pm
FridayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 06:00 pm
SaturdayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 05:00 pm
SundayOpen from 10:00 am to 12:00 pm and from 02:00 pm to 06:00 pm
Opening hours from 01 September to 30 September 2025
MondayOpen from 02:00 pm to 04:00 pm
TuesdayOpen from 02:00 pm to 04:00 pm
WednesdayOpen from 02:00 pm to 04:00 pm
ThursdayOpen from 02:00 pm to 04:00 pm
SaturdayOpen from 02:00 pm to 05:00 pm
SundayOpen from 02:00 pm to 05:00 pm
Opening hours from 01 October to 17 October 2025
SaturdayOpen from 02:00 pm to 05:00 pm
SundayOpen from 02:00 pm to 05:00 pm
Opening hours from 18 October to 02 November 2025
MondayOpen from 02:00 pm to 05:00 pm
TuesdayOpen from 02:00 pm to 05:00 pm
WednesdayOpen from 02:00 pm to 05:00 pm
ThursdayOpen from 02:00 pm to 05:00 pm
SaturdayOpen from 02:00 pm to 05:00 pm
SundayOpen from 02:00 pm to 05:00 pm
Opening hours from 03 November to 14 December 2025
SaturdayOpen from 02:00 pm to 05:00 pm
SundayOpen from 02:00 pm to 05:00 pm

price

PricingMin.Max.
Full adult price
11 €Not communicated
Group rate
8 €Not communicated
Child rate
6 €Not communicated
Other rates
4,50 €Not communicated
Discount rate
9 €Not communicated
Group rate
10 €Not communicated
Group rate
5,50 €Not communicated

Free rate

Payment options

  • Debit cards
  • Cheques
  • Cash
  • Money transfer

services

equipment

  • Shop
  • Hall hire
  • Parking
  • Catering on site
  • Film projection room
  • Fully equipped meeting room
  • Wifi

advice

Address

35 rue des fouleries
28200 CHATEAUDUN
How do I get there?

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