The Siebengebirge, occasionally Sieben Mountains or Seven Mountains, are a hill range of the German Central Uplands on the east bank of the Middle Rhine, southeast of Bonn.
Seven Hills, 1900
The castle Schloss Drachenburg is one of the landmarks of Seven Hills
The Drachenfels is a hill in the Siebengebirge uplands between Königswinter and Bad Honnef in Germany. The hill was formed by rising magma that could not break through to the surface, and then cooled
Siebengebirge
…Wolkenburg (324 m) Drachenfels (321 m) Other hills…
Drachenfels, view from Mehlem
Drachenfels – aerial view
The Drachenfels in 1624 by Matthäus Merian. The slide used to transport the rock from the quarry to the Rhine is shown, as is the (now disappeared) Burg Wolkenburg and an intact Burgfried. The engraving is an advertisement for glass windows.
Königswinter and the Drachenfels. Postcard in Photochrom, around 1900