History of the secret passage carved into the cliff at La Roche-Guyon château, in the Val-d’Oise
La Roche-Guyon: the 100-metre secret passage carved into the cliff
At La Roche-Guyon château in the Val-d’Oise, a passage carved into the chalk links the 12th-century keep to the 18th-century salons over 100 metres, a tunnel that also served as Rommel’s HQ in 1944.
Editorial journal · Carte des Châteaux ·
Perched atop the chalk cliff overlooking the Seine, a cylindrical keep has stood sentinel since 1190. To reach it without crossing the courtyard, the lords of the estate had a secret passage carved straight from the rock—a 100-metre tunnel that still connects the medieval keep to the 18th-century salons nestled below.
A passage carved straight from the rock
The medieval secret passage that once linked the keep to the main building is part of a far larger troglodytic complex: galleries, chapels and an underground theatre form a veritable second château, invisible from the main courtyard, carved directly into the chalk of the hillside.
Eight centuries of history carved in stone
A French formal garden at the foot of the cliff
At the foot of the hillside, the La Rochefoucauld family commissioned a French formal garden and kitchen garden, a landscaped extension of the 18th-century residence. Since 2010, the exhibition ‘Moving into the château’ has regularly transformed the site into an ephemeral museum, featuring contemporary columns by Daniel Buren along the galleries and ramparts.
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