In the Heart of the Puisaye Region, in the department of the Yonne, the Guédelon construction site offers an exceptional experience. Since 1997, artisans, researchers, and enthusiasts have been building a a genuine 13th-century fortified castle using only the techniques, tools, and materials available in the Middle Ages. The goal of this experimental archaeology project is to gain a better understanding of medieval construction methods while introducing them to the public.
A construction site built using resources from the site
Guédelon is located in a an old quarry surrounded by forest, a location chosen for its abundance of natural resources. Just like medieval builders, the workers make direct use of materials found on site. Stone is quarried from the nearby quarry, wood comes from the neighboring forest, and clay, sand, and water are used to make mortar, roof tiles, and other essential building materials. This approach allows for faithfully recreate the working conditions of the 13th century.
Artisans Preserving Medieval Craftsmanship
Every day, several dozen specialized artisans are helping to build the castle. Stone cutters, masons, carpenters, blacksmiths, carriers, loggers, tile makers, string makers and cart drivers They put traditional techniques into practice and make many of their own tools and materials. The site thus functions as a veritable open-air laboratory where numerous hypotheses about medieval construction methods are tested and validated.
Understanding the Secrets of Medieval Builders
Guédelon’s goal is not to replicate an existing castle, but to build a fortress consistent with the military architecture of Philip Augustus’s reign in the early 13th century. This approach provides concrete answers to many historical questions: How were the stones quarried and transported? What lifting systems were used? How was work organized on a large medieval construction site? Observations made on site constitute a valuable source of information for historians and archaeologists.
An immersive tour for the whole family
Beyond its scientific interest, Guédelon has become one of Burgundy’s major tourist attractions. Every year, hundreds of thousands of visitors come to watch the progress of the construction project and learn about traditional crafts. Demonstrations and interactions with the artisans offer a fascinating glimpse into the daily lives of medieval builders.
An internationally recognized project
Today, Guédelon is considered one of the most important experimental archaeology projects in the world. It highlights the ingenuity of medieval builders while helping to preserve rare artisanal skills. Much more than just a construction site, Guédelon represents a human, historical, and educational adventure that brings to life construction techniques from more than eight centuries ago.

Stay at a bed-and-breakfast near Guédelon: the Château des Barres
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To extend your visit, you can stay at the Château des Barres, located nearby in the Yonne department.
This family-owned castle offers the perfect place to stay for exploring Guédelon and the surrounding area in comfort. Combining history, nature, and comfort, it’s the ideal base for a stay in Burgundy.
For more information or to book a vacation rental near Guédelon, click here.






