Natural forest, Nonnenstromberg

Nature Reserve

The Siebengebirge has been a nature reserve for a long time. Today, many endangered plants and animals have found a home here, and there are strict rules to ensure that they can live in peace. We humans are very welcome among them as long as we follow the rules of conduct. For us, there are hiking paths, forest inns and […]

Sycamore maple

Siebengebirge trees

If the Siebengebirge was untouched nature, most likely the beeches would be predominant in the woods. This post shows some native trees from our region. Where what kind of tree grows best depends on several factors. Is it an upland or lowland area, is it warm or cool there, is the soil rather moist or dry, and what is its […]

Wilderness Siebengebirge, sister beech and brother woodpecker

Wilderness Siebengebirge

In large areas of the Siebengebirge we leave nature be, that is wilderness Siebengebirge. “A home for sister beech and brother woodpecker”, as Francis of Assisi might have put it.

Thistle, Heisterbach Abbey

Siebengebirge Flowers

This post shows some native flowers from the Siebengebirge. In the shade of the ruins of the Heisterbach, beautiful flowers grow, among them rare ones like the wild tulip. If you walk around Mount Lohrberg in June and July, you will see bright purple digitales in front of and between the deep green conifers. Colourful flowers also sprout in the […]

Weilberg, Siebengebirge, Königswinter

Volcanic Origin

Here, at the geological outcrop at Mount Weilberg, we get an idea of how the Siebengebirge came into being. The Siebengebirge is of volcanic origin. About 30 million years ago, in the Oligocene and into the Miocene, all hell had broken loose. Volcanic activity in our region In a first phase of eruption, lava and large quantities of stones came […]


Siebengebirge – earth history

The Siebengebirge is about 30 million years old. That’s beyound a human’s imagination, yet in geological terms, earth history, it’s just a blink of the eye. Cenozoic Quartiary Holocene (10.000 years ago – today) Since the beginning of the Quaternary, the plants and animals are similar to ours today, only a few species highly adapted to the Ice Age did […]

Dinosaur at Nassenplatz, Siebengebirge (collage)

Did the dinosaurs know the Siebengebirge?

The Siebengebirge is over 30 mio. years old. That is unimaginable for us, we are looking for clues. Did dinosaurs live in 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 […]

Königswinter around 1900, quarries


For centuries, trachyte, latite and basalt have been mined for in the Siebengebirge. The quarries almost destroyed our region. Hardly anything has remained of Mount Stenzelberg, which today is an abandoned quarry. The same goes for Mount Weilberg, an abandoned quarry and natural monument. Trachyte from Mount Drachenfels Already the Romans mined for trachyte at Mount Drachenfels. In Bonn and […]

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Nature Park Siebengebirge

Nature Park Siebengebirge: a varied landscape and a species-rich flora and fauna; many endangered animals and plants are at home here. We are in the one of Germany’s oldest nature reserves. Do you hear the birds sing? Hikers enjoy the varied landscape, and a flora and fauna with a large number of species. Flora and fauna Besides the donkeys at Mount […]