Between Pont-en-Royans and Villard de Lans, at the heart of the Gorges de la Bourne, enter a magical universe and discover an underground world with emerald and crystalline reflections, where the tunnels light up to the rhythm of your steps!
Adult: 14.20 to 15.20 €
Child : 9 to 10 €
Teenager (11-17 years): 12.60 to 13.60 €
Job seeker: 12.60 to 13.60 €
Student: 12.60 to 13.60 €
Person with a disability: 12.60 to 13.60 €
Group adults: 10.50 €
Group children : from 6.50 €.
Free entry for children under 3.
Child entry valid for 4 - 10 years.
Group rate available for 20 people or more.
Pet allowed
Pet not allowed