1.0Antique Maps Adina Sommerhttps://www.asommer.de/enasommerhttps://www.asommer.de/en/author/asommer/Antique Map - Eastgate - Sebenbergen, or Seven Mountains, near Unkelstein. - Antique Maps Adina Sommerrich600338<blockquote class="wp-embedded-content" data-secret="wOBuiYD2qg"><a href="https://www.asommer.de/en/karte/sebenbergen-or-seven-mountains-near-unkelstein/">Sebenbergen, or Seven Mountains, near Unkelstein.</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.asommer.de/en/karte/sebenbergen-or-seven-mountains-near-unkelstein/embed/#?secret=wOBuiYD2qg" width="600" height="338" title="“Sebenbergen, or Seven Mountains, near Unkelstein.” — Antique Maps Adina Sommer" data-secret="wOBuiYD2qg" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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Decorative view of the ; Siebengebirge; ( seven mountains). The area, located in the municipalities of Bad Honnef and Königswinter, consists of more than 40 hills. The hills are of ancient volcanic origin and came into being between 28 and 15 million years ago. Much of the territory covered by Sieben Hills belongs to the …