Burgruine Rosenau, Medieval castle ruin in Königswinter, Germany.
The Rosenau castle ruins include sections of a ring wall made of Trachyt stone, reaching heights of up to six meters within the Siebengebirge nature park.
The first documentation of the castle dates to February 1222, when Dietrich von Dorndorf, its owner, adopted the name Dietrich von Rosenau in official records.
The castle formed part of a strategic fortification system alongside Rolandseck and Drachenfels castles, protecting the territories of the Archdiocese of Cologne.
Multiple hiking trails lead to the ruins, with a moderate loop trail starting from Ittenbach offering direct access to the historical structure.
After its sale to Heisterbach Abbey in 1243, the monastery received explicit permission to demolish the fortification, which they carried out around 1250.
Location: Königswinter
GPS coordinates: 50.68380,7.23042
Latest update: March 2, 2025 22:34
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