Themed TourThemed Tour🎬"A wonderful discovery in the heart of Pontoise"
⏰Free tours every 30 minutes, no reservation needed
🪨The stepped "escalier à redent" dates back to the 12th century
Descend a medieval limestone staircase into one of Pontoise's largest underground quarries, where 12th-century gothic vaults have starred in films like The Ninth Gate. Free guided tours run every half hour through this surprisingly cool hidden city beneath the city.
underground quarry
gothic architecture
film location
free guided tours
Themed TourThemed Tour🎬"A wonderful discovery in the heart of Pontoise"
⏰Free tours every 30 minutes, no reservation needed
🪨The stepped "escalier à redent" dates back to the 12th century
Descend a medieval limestone staircase into one of Pontoise's largest underground quarries, where 12th-century gothic vaults have starred in films like The Ninth Gate. Free guided tours run every half hour through this surprisingly cool hidden city beneath the city.
underground quarry
gothic architecture
film location
free guided tours