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Fort l'Ecluse
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Castles/Fort l'Ecluse
Castles · Auvergne-Rhône-Alpes

Fort l'Ecluse

📍 Rte de Genève, 01200 Léaz Castles · Auvergne-Rhône-Alpes
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Opening hours10:30 AM - 6:30 PM
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SeasonJune to September
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Entry price€6.00 / adult
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Phone+33 4 50 56 73 63

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Fort l'Ecluse is a window into France’s royal and medieval past. Locate it on the map, book a room nearby in a click, or add it to your travel list to build your itinerary.

🏰 Heritage👑 Royal & medieval🎟️ Often ticketed📷 Iconic

About Fort l'Ecluse

Fort l'Ecluse was built in the aftermath of the Napoleonic Wars, during a period of tension and instability in Europe. The Congress of Vienna, held in 1815, had redrawn the map of Europe and established a new balance of power, but the threat of war and invasion remained high. In this context, the French government decided to strengthen its border defenses and build a series of forts and fortifications in the Alpine region, including Fort l'Ecluse. Construction of Fort l'Ecluse began in 1819 and lasted for over a decade, with the fort being completed in 1830. The fort was designed by the military engineer General Haxo, who had also worked on the fortifications of Paris. The fort's location on a rocky outcrop overlooking the Rhône River made it a formidable defensive position, and its thick walls, casemates, and bastions were designed to withstand artillery fire. During its history, Fort l'Ecluse played a significant role in several conflicts. It was used to defend France against the invading Austrian army in 1859, during the Second Italian War of Independence. It was also briefly occupied by German troops during World War II, before being liberated by Allied forces in 1944. Today, Fort l'Ecluse is a well-preserved example of 19th-century military architecture and an important historical site in the region. Visitors can explore the fortifications, tunnels, and exhibits that showcase the fort's history and the daily life of its soldiers.

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