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Historical Site Historical Site · Alsace · 208 m open today

Ouvrage du Four à Chaux - Ligne Maginot

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MASSIF DES VOSGES Verified partner 
Take a step back in time by visiting this structure that dominates the village. A striking return to the past, immersion guaranteed!
Guarding the Sauer valley, the Four à Chaux structure is located on a hill overlooking the village of Lembach. It is named after an ancient lime kiln. The 5 km of galleries run 30 m underground. 24 officers and 600 men lived there. They belonged to fortress infantry (RIF), artillery and engineering regiments. They were mobilized several times before returning to their posts at the end of August 1939. As there was no action between September 39 and May 40, they organized themselves, seizing livestock roaming the streets of Lembach, whose population had been evacuated... Visitors can familiarize themselves with their living conditions by visiting the dormitories, sanitary facilities, kitchens and infirmary. The structure was targeted by Stukas from June 40 onwards. Although it had no effective anti-aircraft defences, it held out for another five days after the armistice, which took effect on June 26. After special negotiations in Wiesbaden, the troops were forced to surrender, but emerged with the honors of war on July 2. The Germans then occupied the fort, stripping it of everything they could use on the Atlantic Wall. Overpressure gas tests caused considerable damage. The layout is similar to that of other forts, except that the men's entrance is 24m higher than the ammunition entrance, so the fort has an inclined plane to transport equipment and ammunition from the ammunition entrance to the upper gallery. Enjoy your visit, and bring walking shoes and warm clothing (13°).

Opening times

open today
Open Oct 01, 2026 through Oct 31, 2026 from 13:30–15:30 .
Open Oct 01, 2026 through Oct 31, 2026 from 14:00–16:00 .
Open Oct 01, 2026 through Oct 31, 2026 from 15:30–17:30 .
Open Oct 01, 2026 through Oct 31, 2026 from 16:00–18:00 .

Coordinates

DD
48.993840, 7.795701
DMS
48°59'37.8"N 7°47'44.5"E
UTM
32U 411904 5427469
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Ouvrage du Four à Chaux - Ligne Maginot

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Ouvrage du Four à Chaux
67510 Lembach
+33 3 88 94 48 62 E-mail: lignemaginot.lembach@orange.fr
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recommended route Difficulty difficult
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