Parks & Gardens
Parks & GardensRéservoirs de Passy
Champs-Elysées
Monumental 1860s water reservoirs hidden behind Haussmann facades, with cathedral-like vaulted tunnels and open-air basins that still supply the Bois de Boulogne's fountains and cascades.
Hidden urban oasis
Historic 19th century engineering
Haussmannian neighborhood oddity
Rare guided tours
Tips
🚪entrance hard to locate, ask locals
🏗️high walls limit street views
🎟️tours may no longer be available
Réservoirs de Passy
Champs-Elysées
Parks & GardensParks & GardensMonumental 1860s water reservoirs hidden behind Haussmann facades, with cathedral-like vaulted tunnels and open-air basins that still supply the Bois de Boulogne's fountains and cascades.
Hidden urban oasis
Historic 19th century engineering
Haussmannian neighborhood oddity
Rare guided tours
Tips
🚪entrance hard to locate, ask locals
🏗️high walls limit street views
🎟️tours may no longer be available