Ouvrage du Four-à-Chaux
Large Maginot Line fortress work near Lembach, visited on a guided tour of an underground circuit of about 1.5 km.
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About the museum
The Four-à-Chaux fortress work is one of the largest Maginot Line fortifications in northern Alsace. It was built between 1930 and 1935 and designed to operate independently, somewhat like a submarine, with its own electricity generation, water reserves, kitchens and hospital.
During the 1940 campaign, the garrison held out until July 1, six days after the armistice, before surrendering. The fortress work was then restored by volunteers and opened to the public in 1983.
The guided tour follows a circuit of about 1.5 km, 25 m underground. It shows the living and production facilities of the fortress work, as well as a small museum displaying weapons, uniforms and wartime propaganda posters.
Highlights
- Underground circuit of about 1.5 km at a depth of 25 m
- Kitchens, power station, water system and hospital of the fortress work
- Small museum of weapons, uniforms and propaganda posters
- Guided tours in French and German
- “Phlox Rhizome” escape game in the fortress work
- Founded
- 1983
- Operated by
- Association des Amis de la Ligne Maginot d'Alsace
Admission & discounts
| Adults | €9 |
|---|---|
| Children & teens | €5free up to age 5 · Children’s rate for ages 6 to 17. |
| Students & apprentices | €6 |
| Combined ticket with Fleckenstein Castle (adult) | €11.50As stated by the Tourist Office. |
| Combined ticket with Fleckenstein Castle (child) | €6.50 |
Tickets are sold at the reception of the fortress work or online; online tickets are non-refundable within 48 hours of the visit. An escape game runs on Wednesdays, Saturdays and Sundays and is bookable online only.
Accessibility
The museum hasn’t published any information on this.
Kids & families
The museum hasn’t published any information on this.
Getting there & parking
From the village of Lembach, take the D65 towards Pfaffenbronn; the fortress work is about 500 m away on the left.
Get directionsAmenities & dining
The museum hasn’t published any information on this.
Events & venue rental
The museum hasn’t published any information on this.
Plan your visit
| Guided tours | yes · approx. 1.5 hrs |
|---|---|
| Good to know | Guided tours only, in French or German. The indoor temperature is about 13 °C: bring warm clothing and walking shoes. |
