In Plessis-Robinson, there is a place you might stumble upon almost by surprise, at a bend in a wooded path. In the Bois de la Solitude, the ruins of the eponymous château appear among the trees, with their gaping walls and that unique atmosphere that immediately intrigues. Just a few kilometers from Paris, this is a prime destination for urban exploration.
A 1903 gem fallen into ruin
Historically speaking, the château was built in 1903 for Marie-Philiberte Marquis, heiress to a family of chocolatiers. The building features a Neo-Gothic style, with a silhouette designed to impress, set amidst a wooded estate that was already ancient. This residence has since undergone several transformations, which also explains the somewhat unique place it occupies in local history.
After its owner’s death, the estate became a private clinic. It was there that René Viviani, former President of the Council, spent his final days. Between 1937 and 1956, the castle then housed a Carmelite convent. Later, the government purchased the property and established a technical school there for young single mothers. This succession of uses gives the site a rather unusual history, spanning a bourgeois residence, a healthcare facility, a religious space, and an educational institution.
But the closure of the estate in 1976 marked the beginning of its abandonment, and the building deteriorated rapidly, with several fires accelerating its ruin. Today, only part of the château’s outer structure remains, but these ruins are enough to spark the imagination. Nature has reclaimed its rights; trees encircle the walls, and the site retains that air of mystery that attracts lovers of unusual heritage sites.
Of course, Château de la Solitude isn’t visited like a typical monument. Like many urban exploration sites, the castle and its structure are highly unstable, fragile, and dangerous. We therefore won’t disclose the exact address and do not recommend visiting the interior of the castle.