Fort Lachaux

Fort Lachaux is a military fortress on Mont Lachaux at 410 meters elevation with thick walls, gun positions, and a drawbridge-protected entrance. The site features four separate discovery routes that guide visitors along different paths around the structure.

The fortress was built between 1876 and 1878 by engineer Adrien Hallier as part of the Lomont defensive system. It was later integrated into the Belfort fortification network, becoming part of the region's military defense strategy.

The fortress continues to serve protective functions in the region while an agricultural space on-site teaches visitors about local practices. This blend shows how a former military site has shifted to embrace new roles in community life.

Wear good footwear as the grounds are hilly and paths can become slippery in places. Parking and picnic areas are available on-site, allowing visitors to spend time exploring at a comfortable pace.

The fortress contained an optical telegraph system that allowed communication with neighboring forts and improved military coordination. This technology was an early example of long-distance communication techniques used during the period.

GPS coordinates: 47.51980,6.82395

Latest update: December 9, 2025 20:20