Tansy
Nature

Local Flowers

Here are some field flowers that you may see when along the hiking trails. If you like flowers and you understand German, I have book proposal for you: Natur- und Kulturführer Siebengebirge, 8 Rundwege Author: Holger Maria Sticht Recommended by BUND Freunde der Erde, Gasterland-Verlag Köln 2011, 1: Auflage, ISBN […]

Sycamore maple
Nature

Local Trees

If the Seven Mountains were untouched nature, most likely the beeches would be predominant in the woods. Today, forestry has created mixed woods with 36% beeches, 18% oaks, 12% other deciduous trees, 3% robinias, 23% spruces and 8 % pines (source lanuv, North Rhine-Westphalia). On this page, you can see […]

The earth in the Jurassic and Triassic
Nature

Earth history

The Siebengebirge is about 30 million years old. That’s beyound a human’s imagination, yet in geological terms. it’s just a blink of the eye. Cenozoic Quartiary / Holocene (10.000 years ago – today) Modern humans and animals*. Since the beginning of the Quaternary, the plants and animals are similar to […]

Dinosaur at Nassenplatz, Siebengebirge (collage)
Nature

Did the dinosaurs know the Siebengebirge?

The Siebengebirge came into being about 30 millon years ago. 30 million years .. this age seems beyond human imagination, yet in the context of earth history it is just a moment. Diplodocus, whom you see in the collage above, lived about 155-145 million years ago in the Upper Jurassic. […]

Mirbesbach, Siebengebirge, Königswinter
Forests and Streams

Mirbesbach

A lovely creek along the L-331 motorway from Königswinter to Margarethenhöhe, close to the bus stop Rosenauer Weg. I love it very much. The Mirbesbach, translated to “Mirbi Creek” is mentioned in my emigrants’ story “At Home at the Rhine and in America”.

Volcano
Nature

Volcanic Origin

Here, at the abandoned quarry at the Weilberg mountain , we see the structure of the rocks and get an idea of how the Siebengebirge came into being. About 30 million years ago, in the Oligocene and into the Miocene, there was volcanic activity in our region. In a first […]

Siefen, Siebengebirge
Nature

Siefen

The German word “Siefen” describes deeply indented moist valleys, of which there are many in the Seven Mountains. It is quite possible that they have even given it its name, because originally it was perhaps “Siefengebirge”, so the mountains (Gebirge) with a many “Siefen”, and only later became “Siebengebirge” that […]