Nagelfluh-Aufschluss

The almost completely overgrown Nagelfluh-Aufschluss near Bad Grönenbach is a geoscientifically valuable geotope created artificially by gravel extraction.

Bad Grönenbach 35m

EspeleoWorld

The almost completely overgrown Nagelfluh-Aufschluss near Bad Grönenbach is a geoscientifically valuable geotope created artificially by gravel extraction.

Bad Grönenbach

Length: 35 m

Updated record

https://espeleoworld.com/en/c/nagelfluh-aufschluss-bad-groenenbach

Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.

The almost completely overgrown Nagelfluh-Aufschluss near Bad Grönenbach is a geoscientifically valuable geotope created artificially by gravel extraction.

Characteristics

Type: Cave
Municipality: Bad Grönenbach
Length: 35 meters
Record updated: November 13, 2026

Caves are protected biotopes (§30 BNatSchG). Caves used by bats as winter quarters must not be entered from 1 October to 31 March (§39(6) BNatSchG), except show caves and their developed parts.

Location

The Nagelfluh-Aufschluss west of Bad Grönenbach lies in the district of Unterallgäu (Bavaria) within the municipality of Bad Grönenbach. It is located in the upper part of a west-facing slope at an elevation of 710 m above sea level on the district road MN 21 toward Rothenstein and lies in the natural region of the Iller foothills in the geological spatial unit of the Iller-Lech region.

Entrances

Always verify coordinates and access conditions before setting out.

Nagelfluh-Aufschluss
Elevation: 710 m
47.872372, 10.206117
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Description

Morphology

The outcrop extends over a length of 35 meters, a width of 10 meters and a height of 11 meters, covering an area of 350 square meters. It is almost completely overgrown and was created artificially by the extraction of gravel from the Early Pleistocene. In places, remnants of geological organ pipes can still be found on the quarry walls.

Other details

The Nagelfluh-Aufschluss is a registered geotope with the number 778A001. The well-preserved, unprotected geotope is classified as geoscientifically valuable and is rare in the region.

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Source: Wikidata – cave items (Germany) (www.wikidata.org), modified. CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ Wikidata (CC0 1.0) · data as of 2026 · Source: German Wikipedia – article leads (cave descriptions) (de.wikipedia.org), modified. CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/ Wikipedia contributors (de.wikipedia.org), CC BY-SA 4.0 · Text by Wikipedia contributors (Nagelfluh-Aufschluss westlich von Bad Grönenbach) · adapted by Espeleoworld (normalized, translated); the adaptation is licensed CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/ · description · obtained 2026-11-13 · https://de.wikipedia.org/wiki/Nagelfluh-Aufschluss_westlich_von_Bad_Gr%C3%B6nenbach · data as of 2026