1 Lieu-dit Au Puits de Poudrey BOURGOGNE-FRANCHE-COMTÉ - Étalans, France, 25580 Phone: +33 381 592 257 Website The Chasm of Poudrey is a real geological phenomenon due to its formation and its internal dimensions, which makes it the 4th largest underground cavern in France in terms of volume. Its total volume is equivalent to 35 million cubic feet (1 million cubic meters). Discover this wonderful underground world during a tour that features a music and light. To reach the chasm, it is necessary to go down 250 stairs, 230 feet (70 meters) underground, and then climb up them to exit. Exhibitions on karst, water and bats round off the visit. The temperature of the chasm is about 45°F (7°C).
Hours of operation Times vary considerably, Check website for dates and times. Closed November through January.
Admission: You do not have to pay admission to access the machine. Adult €11.50, Children (5-14 years old) €9.50, Children under 5 years old are free. Plenty of free parking.
Machine 1 is in the entrance building opposite the cash register. Cost to press: €1.05. Design has a beaded border:
1. (V) Cartoon bat mascot with 'Gouffe de Poudrey'.
G.P.S. coordinates: Latitude: 47°09'59.3"N Longitude: 6°14'45.7"E
Google Maps coordinates: 568W+H9 Étalans, France
31.07.2025. Still here and producing a great coin. Antje Engel |