Hello! I'm Outgoing.I help make life more interesting.
Hello! I'm Outgoing.I help make life more interesting.




Poudrey Chasm
Étalans
Descend into France's largest developed chasm, a cathedral-sized cavern that swallows light and echoes your footsteps. The sound and light show turns stone into theater, and 100 steps down feel like a journey to the center of the earth.
Monumental underground cavern
Guided light show tour
Steep stair descent
Family adventure
Tips
🏟️"the size of a football stadium"
🧥bring a jacket, it gets cold at the bottom
👟100+ steep steps down and up, wear sturdy shoes
Poudrey Chasm
ÉtalansOpen




Descend into France's largest developed chasm, a cathedral-sized cavern that swallows light and echoes your footsteps. The sound and light show turns stone into theater, and 100 steps down feel like a journey to the center of the earth.
Monumental underground cavern
Guided light show tour
Steep stair descent
Family adventure
Tips
🏟️"the size of a football stadium"
🧥bring a jacket, it gets cold at the bottom
👟100+ steep steps down and up, wear sturdy shoes