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Here is Île-de-France’s sole troglodyte castle, open to visitors for the 2026 Heritage Days.

On the occasion of the Heritage Days on 19 and 20 September 2026, discover the Château de la Roche-Guyon, a unique landmark in Île-de-France, nestled in the Val d’Oise.

This medieval troglodyte castle in Val-d'Oise hides a giant dragon.

A giant dragon in a troglodyte medieval castle? That's what you'll be able to see during La Vie de Château, the château's contemporary art exhibition at Château de la Roche-Guyon in the Val d'Oise, running from June 20 to November 1, 2026.

Descriptive contemporary artworks take up residence in this superb medieval castle in the Val d'Oise.

Resident artists take over the Château de La Roche-Guyon in Val-d'Oise with new works and installations that blend sculpture, sound, and a fantastical menagerie. So we’re off to discover this immersive contemporary exhibition from June 20 to November 1, 2026. We’ve already had a sneak peek at a few pieces and can’t wait to see what else is in store.

Eden: The Plant Festival at Château de La Roche-Guyon in 2026, Val-d'Oise — in pictures

The inaugural edition of Eden, the new Plant Festival at the Château de La Roche-Guyon in Val d'Oise, took place on May 2–3, 2026. We were there, and here’s our take on this green, contemporary weekend.

Rendez-Vous at the Gardens 2026: a stroll through a classic French kitchen garden dominated by a historic château

An atypical château is set to welcome strolls for Rendez-Vous aux Jardins 2026, planned for this weekend of June 5–7, 2026. A chance to discover a striking French-style kitchen garden.

This keep in Val-d'Oise, which hides a 100-meter secret passage, reopens its doors

In the heart of the village of La Roche-Guyon, one of Val d'Oise's most beautiful villages in France, an extraordinary troglodyte castle rises, opening to visitors from April 1, 2026, with a medieval keep and its closely guarded secrets.

Le Château se Livre 2025: the literary festival at Château de La Roche-Guyon (95)

What could be more prestigious than a literary festival in a château? In the heart of La Roche-Guyon, on July 5 and 6, 2025, enjoy literary meetings and walks, as well as round-table discussions, in a marvellous setting.

A weekend in the French Vexin, from Vétheuil to La Roche-Guyon (95)

This weekend, we're taking you away from the hustle and bustle of Paris for 48 hours, to the heart of the French Vexin, in the Val-d'Oise département. From Vétheuil to La Roche-Guyon (or vice versa), set off to discover this exotic region, without even leaving the Paris region!

The arboretum at La Roche-Guyon (95), an open garden featuring plant species from the Ile-de-France region.

In the heart of the Roche-Guyon forest, the arboretum is a little-known 13-hectare green space hidden away in the heart of the French Vexin. We'll take you on a tour to discover it. Are you coming?

Le Jardin du Yoga, secret playground at La Roche-Guyon (95)

Hidden away in a little street, indicated by a single small sign, the Jardin du Yoga is one of the least-known parks in La Roche-Guyon, in the Val-d'Oise département. So, we're taking you there to discover it with us!

The fruit garden at Château de la Roche-Guyon (95), a remarkable garden for a country stroll

At the foot of the troglodyte château of La Roche-Guyon, in the Val-d'Oise département, nestles a large vegetable and fruit garden, designated a Remarkable Garden.

Château de la Roche Guyon, a troglodyte castle in the Val-d'Oise with a breathtaking view over the Seine valley

Have you heard of Ile-de-France's only troglodyte castle, nestled in the only village in the region to be named one of France's most beautiful villages? We'll take you on a tour of the Château de la Roche Guyon, an unusual castle in the Val-d'Oise, with an eventful past that also inspired the adventures of Blake and Mortimer.

Tourism: Val-d'Oise village named one of France's most beautiful villages retains its title

Did you know that there's a town in the Paris region that's on the prestigious list of France's most beautiful villages? And the good news is that this year, it has retained this famous label. So which village is it and where exactly is it located? We've got the answers!

Monuments Men, the exhibition at Château de la Roche Guyon that pays tribute to art officers

We're off to the Château de La Roche-Guyon to discover the "Monuments Men" exhibition, which runs from May 18 to November 24, 2024. The exhibition pays tribute to the "art officers" of the Second World War, who worked to protect, safeguard and restore Europe's cultural heritage. As part of the celebrations marking the 80th anniversary of the Liberation, this exhibition offers a fascinating journey through history and art in a place steeped in memory.