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




Souterrain de l'escalier du général Leclerc
Pontoise
Step inside a secret world carved into the cliffside. This ancient cave, once part of a 19th-century boarding school, lay hidden until the staircase was built in 1869. Three levels of stone galleries wait to be explored.
ancient cave dwelling
free entry
all ages
historic discovery
Tips
🏛️"A very nice discovery in the heart of Pontoise"
Souterrain de l'escalier du général Leclerc
Pontoise




Step inside a secret world carved into the cliffside. This ancient cave, once part of a 19th-century boarding school, lay hidden until the staircase was built in 1869. Three levels of stone galleries wait to be explored.
ancient cave dwelling
free entry
all ages
historic discovery
Tips
🏛️"A very nice discovery in the heart of Pontoise"