DiscoverPlaces to seeCavesGermanyLower SaxonyRegion HannoverPattensen
Entrance to the Old Fortification
DiscoverPlaces to seeCavesGermanyLower SaxonyRegion HannoverPattensen
Entrance to the Old Fortification
Highlight • Historical Site
Entrance to the Old Fortification
Hiking
5.0
(3)
Running
5.0
(1)
Cycling
5.0
(1)
Tips
Droggelbecher
March 29, 2021
Running
Don't forget your flashlights. Bats are not allowed to hibernate or visit the facility between October and April.
Translated by
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Andrea
May 3, 2026
Hiking
The ruin of Calenberg Castle is a well-known winter roost for bats here in the region.
Between October and April, the cellars of the ruin must not be entered in order to protect the animals.
Between October and April, the cellars of the ruin must not be entered in order to protect the animals.
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Elevation 50 m