Burg Schlüsselburg is a château at Petershagen, Detmold Government Region, in Germany. The recorded building campaign dates from the 14th century. The register records it as “architectural heritage monument in North Rhine-Westphalia”. Details are drawn from Wikidata.
Composed from the fields of the record itself — place, century, protection. Not written about the building, and not drawn from any source beyond those named below.
