Grenzau Castle, Medieval castle in Höhr-Grenzhausen, Germany.
The stone fortress sits 250 meters above sea level, featuring two baileys, an inner ward, and an outer ward to the west.
Heinrich I von Eisenburg built the castle around 1210, naming it Burg Gransioie, which means 'great joy' in Old French.
The castle demonstrates medieval German military architecture through its strategic position and defensive structures, including artillery bastions added in 1557.
The castle opens to visitors during summer weekends, allowing exploration of its preserved medieval structures and archaeological findings.
The castle's 32-meter-high keep features a triangular design, making it the only such structure among all German castles.
GPS coordinates: 50.45026,7.65536
Latest update: March 6, 2025 09:55
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