Gewerkenegg Castle

Gewerkenegg Castle in Idrija is a striking Renaissance fortress that stands as a testament to the town’s rich mining heritage. Built in the 16th century, the castle originally served as the administrative and defensive center for one of the world’s largest mercury mines—a role that shaped both the architecture and the history of Idrija. Today, Gewerkenegg Castle is home to the Idrija Municipal Museum, making it a must-visit for anyone interested in the region’s industrial and cultural legacy.

Inside the castle, visitors can explore engaging exhibitions that chronicle over 500 years of mercury mining, the daily lives of miners, and the evolution of Idrija lace, a delicate craft that has become synonymous with the town. The museum’s displays are thoughtfully curated, with artifacts, photographs, and interactive elements that bring Idrija’s past to life.

The castle itself is a highlight, with its sturdy walls, picturesque courtyard, and panoramic views over the town and surrounding hills. Guided tours are available and recommended for a deeper understanding of the site’s significance. Tours last about 1.5 hours for the full museum or 30 minutes for individual exhibitions.

Gewerkenegg Castle is open daily, with hours from 9:00 AM to 5:00 PM (October to April) and 9:00 AM to 7:00 PM (May to September). Admission for a full museum tour is €9.50 for adults, with discounts for seniors and groups. Whether you’re a history buff or a casual traveler, Gewerkenegg Castle offers a fascinating window into Idrija’s unique story.