About the event
The Gravelines Blockhaus will be open from September 2 to 16, 2026. The event, organized by Blockhaus rue de Calais, invites visitors to explore the history and architecture of this iconic site.
Opening of the Blockhaus - September 2026
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JEP: Nighttime Walk—Chemin de Ronde
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On September 19, 2026, join a guided nighttime walk along the Chemin de Ronde in Gravelines. Organized by Blockhaus on Rue de Calais, this cultural outing invites you to discover the region’s heritage in a unique light. Admission is €4.
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