Teufelskeller (Baden AG)
The Teufelskeller ( Swiss German : Tüfelschäller ) is a prehistoric landslide area near Baden in Switzerland that was created around 100,000 years ago by a sack . This left behind a diverse system of rock towers and caves on the eastern slope of Chrüzliberg and Baregg , the northernmost foothills of the Heitersberg range of hills.
Emergence
The chain of hills consists for the most part of rocks from the Lower Freshwater Molasse , i.e. sediments of marl and sandstone that are partially covered by firmly baked gravel (gravel). During the crack ice age , the Linth glacier covered the entire Limmat valley . When the glacier retreated around 100,000 years ago, the steep eastern slope between Baregg and Chrüzliberg lost its hold and the up to 50 m thick layer of gravel gradually slipped on the soft marls of the Molasse, so that the layer of gravel broke into individual clods and rock towers. Due to the gentle sliding, the individual rocks remained in an upright position and only moved against each other, mostly without falling over.
Although the glacier only reached as far as Killwangen (around five kilometers to the southeast) during the Würme Ice Age 10,000 years ago , the Limmat cut into the slope of the Baregg, which led to further landslides.
What remained were several mighty Nagelfluh storms that tower up to 20 meters above the ground. The sagging and the resulting upheavals resulted in several caves. With a length of 43.7 meters, the Teufelskeller cave is one of the longest caves in the canton of Aargau . Other caves are the Teufelstischhöhle , the Tüfels-Chilenloch and the Tüfelsloch .
Nature reserve
In the hollows between the rock towers and caves grow beeches , ash trees and spruces up to 50 meters high , as well as deer-tongue fern , lunar violes and Turkish leagues .
The local community of Baden, who owns the forest, has not used any forestry in a 70-hectare forest area around the Teufelskeller since 1987. The area was officially declared a natural forest reserve in 1999. The Baregg tunnel of the A1 motorway runs around 50 to 80 meters below the surface of the earth at the edge of the area .
Web links
- Parcours in the Teufelskeller on hikr.org
- City of Baden: Baden's Teufelskeller, where you can take drinkers with you
Individual evidence
- ↑ The Devil's Underground (PDF file; 2.32 MB)
- ^ City of Baden: Geological city guide (PDF file; 995 kB)
- ↑ Teufelskeller natural forest reserve