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.

🗺️ **Bois de Cattenom – Section of the Maginot Line near Thionville** The **Bois de Cattenom** (also **Bois de Gattemont**) was part of the fortified section of the **Maginot Line**, strategically located between Thionville and the Moselle Valley. Several military installations were located here: including infantry bunkers, trenches, tank traps, and supply lines – embedded in the forest. 📍 The region included the **Ouvrage de Galgenberg**, smaller fortifications such as the **Abri du Bois de Cattenom**, and connecting roads to larger forts such as Rochonvillers or Immerhof. Some of the bunkers are still preserved and overgrown – silent witnesses to military preparations. **Tip:** This section is often not fully marked on hiking maps. Those interested in historical defense lines should take a detailed Maginot map with them and look specifically for entrances, ventilation towers, and observation posts. Particularly exciting in autumn when the leaves reveal the structures.

🛡️ **Ouvrage du Galgenberg – A Deep Look into the Maginot Line** The **Ouvrage de Galgenberg** is a large underground fortification of the **Maginot Line**, located south of Cattenom. It was built between 1930 and 1935 and served to defend the French border against Germany. The complex consists of several **combat bunkers**, **barracks**, **tunnels**, and **supply facilities** located deep underground. During the Cold War, the fort was modernized and remained in active use until the 1980s. 🔦 Today, it is accessible for guided tours (registration only), including a view of the original equipment: rails, power supply, ventilation systems, and gun emplacements. **Tip:** Ideal for military and history buffs – bring warm clothing, as it's chilly inside! Guided tours with former soldiers or experts are particularly impressive.

🚧 **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!

Information board with all important information and hiking map.

An impressive entrance to the Maginot line Outrage de Galtenberg. Visits are possible.