The best walks and hikes around Großhettingen

🛡️ **Ouvrage du Bois-Karré – Small Infantry Fortification with Tactical Significance** The **Ouvrage du Bois-Karré** is a small fortification of the Maginot Line west of Hettange-Grande, near the three-district border of France, Luxembourg, and Germany. It was built between 1931 and 1935 and served to secure a strategic valley access to the Moselle. 🔰 A so-called "petit ouvrage," Bois-Karré consisted of two combat blocks (infantry, machine gun), connected by a short underground passage. Despite its small size, it was heavily armed and cleverly camouflaged in the 1930s to blend into the landscape. 🕳️ Today, the fort is **not open to the public**, but individual elements such as concrete emplacements, trenches, and ventilation towers can still be seen in the forest – especially in winter or spring. **Tip:** Those interested in the smaller fortifications of the Maginot Line will find a quiet, almost forgotten relic here. It's an ideal detour on a hike around Hettange-Grande.

🛡️ **Ouvrage de Kobenbusch – Mighty Fortification of the Maginot Line** The **Ouvrage de Kobenbusch**, located south of Cattenom near the Luxembourg border, is one of the large underground fortifications of the **Maginot Line**. It was built between 1930 and 1935 and consisted of several combat blocks, underground connecting tunnels, a barracks, ammunition depots, and machine rooms – on several levels, anchored deep in the limestone. ⚙️ Particularly noteworthy: The technical systems were designed to be self-sufficient for months – including power generation, ventilation, a kitchen, and a hospital. The fort was occupied without a fight during World War II, continued to be used in part after the war, and is now privately owned. 🚷 It's **not open to the public**, but some ventilation towers and blockhouses are still visible in the forest near the D64 road (between Cattenom and Berg-sur-Moselle). **Tip:** For Maginot fans, a walk through the forest is worthwhile – with a little research, you'll find several bunker remains. Respect barriers, as some entrances are unstable or secured.

🚧 **Barrage du Lac du Mirgenbach – The Technical Heart of the Lake** At the southern end of **Lac du Mirgenbach** is the **dam (barrage)**, which serves to regulate the water and cool the nearby **Cattenom Nuclear Power Plant**. The facility is not open to the public, but is easily visible from the paths around the lake. 🌊 The dam marks the transition between technology and nature: Here, the water flows in controlled channels, creating an exciting interplay of industrial function and scenic tranquility. **Tip:** Those who walk the circular path around the lake have a good view of the dam from the eastern shore – particularly interesting for technology enthusiasts and landscape photographers.

🌅 **Lac du Mirgenbach – Quiet Lake near Cattenom** The **Lac du Mirgenbach** is an artificially created cooling water lake near the Cattenom nuclear power plant, south of Thionville. Despite its technical function, it is now a popular local recreation area – with hiking trails, fishing spots, and quiet shorelines. 🐦 The lake is surrounded by forest and reed beds and is considered a refuge for many bird species. It is also popular with photographers and nature lovers – especially at sunrise or sunset. **Tip:** Ideal for a quiet walk or bike ride. Note: Swimming is not permitted here – but the atmosphere by the water is still worth it!

The Lac de Mirgenbach is currently closed to the public.

Nice picnic area on the edge of the pond.

A couple of very tranquil ponds at the edge of the Forest of Cattenom.

Nice picnic area with tables and a hut on the edge of the étangs.