Gustav Jakob Cave
| Gustav Jakob Cave
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 Schluf in the Gustav-Jakob-Höhle |
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| Location: | Swabian Alb . | |
| Height : | 675 m above sea level NN | |
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Geographic location: |
48 ° 31 '15 " N , 9 ° 28' 25" E | |
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| Cadastral number: | 7422/05 | |
| Type: | Passage cave | |
| Discovery: | 1936 | |
| Overall length: | 427 m | |
| Particularities: | Longest passage cave in the Swabian Alb | |
The Gustav Jakob Cave , also known as the Hofen Cave, is 427 m long and is the longest through cave in the Swabian Alb .
The cave is located in the upper Lenninger Valley between Grabenstetten in the west and Lenningen- Schlattstall in the east. It runs from north to south under the ruins of Hofen and alternately follows the layer joints and fissures in the limestone of the White Jura . It was officially discovered by Gustav Fetzer and Jakob Kazmeier in 1936 and named after those who discovered it. Although it is quite narrow in some places, it is easy to drive on because it mainly only spreads horizontally. A large stalagmite , sinter basin and macaroni-shaped stalactites are given as a treasure trove of shapes in the cave .
Approximately in the middle of the cave there is a branch to the ten meter deep collective shaft. There is a risk of CO 2 poisoning in this narrow shaft or in the hall below , as this is the deepest point of the cave and CO 2 can collect here .
The cave is a wintering habitat for bats and is therefore closed from October 1st to March 31st. It is also protected as a geotope .
There are other caves near the Gustav Jakob Cave:
- the small Hofener cave
- the Talhofabri
- the Talhoffelstor
- the Ruin-Hofen-Schacht
literature
- Hans Binder , Herbert Jantschke: Cave guide Swabian Alb. Caves - springs - waterfalls . 7th completely revised edition. DRW-Verlag, Leinfelden-Echterdingen 2003, ISBN 3-87181-485-7 , p. 126-127 .