Heritage Days 2024: medieval walk and visit to Beaumont-sur-Oise Castle (95)

The Château de Beaumont-sur-Oise is unveiled during the Journées du Patrimoine 2023. A vestige of the Middle Ages, the château's keep dominates the banks of the River Oise and offers a splendid view of the Saint-Laurent church, to be discovered on September 21 and 22, 2024.

Are you ready to rediscover Paris Region's superb heritage during the 41st Journées du Patrimoine? Across the Île-de-France region, explore castles, historic monuments, museums and other exceptional sites, and learn from enthusiasts. Take advantage of free events and guided tours, particularly in Val-d'Oise, where the Château de Beaumont-sur-Oise, a vestige of the Middle Ages, awaits you from September 21 to 22, 2024.

But before you visit, let's take a look at the castle's history: the 7th century marked the first turning point in the evolution of this Val-d'Oise building. It was at this time that construction began on its great stone keep (37 m high). Higher than the bell tower ofSaint-Laurent church (32 m), it was used to store food on the first floor, and to house the lord's apartments upstairs. In 1223, the last Count of Beaumont died without issue, and the castle was bought by King Louis VIII, thus becoming part of the royal domain.

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In 1226, Louis IX, the future Saint Louis, took up residence at the château and had the Royaumont Abbey built. During the 14th and 15th centuries, the château underwent numerous assaults, destructions and reconstructions: the Hundred Years' War, sieges by the English, French, Burgundians and Armagnacs. The castle and town were occupied by the English between 1420 and 1435. The last major transformation of the château took place in the 18th century.

With the advent of artillery, weapons became increasingly powerful, and the castle's defensive structure had to be reinforced. The height of the keep was reduced from 37 meters to around 5 meters. The castle became an artillery stronghold. The château then lost its grandeur and was abandoned in 1815.

Journées du Patrimoine 2024: discover the most beautiful châteaux in Paris and the Île-de-France region
The Journées du Patrimoine 2024 is also an opportunity to visit the châteaux of the Île-de-France region, often free of charge! Kings and queens, princes, emperors, nobles of all kinds... Follow in the footsteps of these great figures of French history and discover their magnificent homes, on September 21 and 22, 2024. [Read more]

The 2024 Heritage Days program at Château de Beaumont-sur-Oise

Medieval walk
Saturday, September 21, 2:00 p.m.
Come and visit the castle and church, vestiges of the town's opulence in the Middle Ages.
Visit Beaumont-sur-Oise castle
Sunday, September 22, 10:00 am, 2:00 pm
Visit Beaumont-sur-Oise castle, from its Gallo-Roman origins to the archaeological excavations of the 1980s and 1990s, via the medieval period marked by the power of the Counts of Beaumont and the residence of the Kings of France, and the modern period, when the castle became an artillery base for the defense of Paris.
Visit Beaumont sur Oise during the Resistance
Sunday, September 22, 10:30 a.m.
The route is marked out by the names of 18 people at ten memorial stops corresponding to the places where these members of the Resistance were active throughout the town.

At Saint-Laurent church in Beaumont-sur-Oise

Visit the Saint-Laurent church in Beaumont-sur-Oise
Sunday, September 22, 2:00 p.m.
Free tour of the church, with commentary by members of the Cercle Beaumontois du Patrimoine.
Climbing the Beaumont-sur-Oise bell tower
Sunday, September 22, 2:00 p.m.
The steeple is only open to the public during the European Heritage Days!
Climb the steps to the top of the steeple and enjoy an exceptional view of Beaumont and the surrounding area from the air!
The steeple is packed with treasures, from the artistic, with its collection of Renaissance animal sculptures, to the more intimate, with the hundreds of graffiti pieces that bear witness to five centuries of climbing the steeple.

Heritage Days 2024: medieval walk and visit to Beaumont-sur-Oise Castle (95)

The 2024 Heritage Days program at Château de Beaumont-sur-Oise

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