Uploaded January 2024 | Updated September 2026, 1 week ago

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Fort d’Alprech near Boulogne was a French Séré de Rivières fort. It was captured by the Germans in 1940 and changed into Stutzpunkt 258 Pantoffelblume, a radar post for the Kriegsmarine. It had 2 Würzburg radars. One was built on the old lighthouse but recently fell from the cliff.