• Maginot line
• Secteur de Boulay
• Hackenberg

• Outside
• Entrance ammunition
• Entrance personnel
• Block 8
• Block 9
• Block 10
• Block 12
• Block 21
• Block 22
• Block 23
• Block 24
• Block 25

• Inside
• Weapons
• Turret
• Other I
• Other II

Ouvrage de Hackenberg

The site was visited by Henk Adriaanse in 2006.

The new map in the museum.

We found the original map in a block.