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Caves and potholes of Germany

The catalogue of Germany lists 2,020 caves, including 74 potholes and 1,926 caves. The longest is Riesending-Schachthöhle (27,300 m).

2,020 caves
262.0 km total length
1,149m max depth

Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 1,759. Without depth data: 1,967. Without known lithology: 2,020.

The 20 longest

Full ranking: longest caves in Germany

The 20 deepest

Full ranking: deepest caves and potholes in Germany

Map

States

Bayern

739 caves
127.7 km
1,149m
🏆 Longest: Riesending-Schachthöhle (27,300m)
⬇️ Deepest: Riesending-Schachthöhle (1,149m)

Baden-Württemberg

593 caves
72.1 km
376m
🏆 Longest: Vetterhöhle (18,754m)
⬇️ Deepest: Maurushöhle (376m)

Nordrhein-Westfalen

170 caves
29.2 km
92m
🏆 Longest: Kluterthöhle (8,852m)
⬇️ Deepest: Hollenloch (92m)

Sachsen

156 caves
760 m
10m
🏆 Longest: Drachenhöhle (550m)
⬇️ Deepest: Diebshöhle (10m)

Rheinland-Pfalz

133 caves
695.10 m
80m
🏆 Longest: Nebelhöhle (650m)
⬇️ Deepest: Nebelhöhle (80m)

Thüringen

86 caves
4.1 km
33m
🏆 Longest: Altensteiner Höhle (1,960m)
⬇️ Deepest: Goetz-Höhle - Eingang (33m)

Sachsen-Anhalt

43 caves
3.9 km
600m
🏆 Longest: Heimkehle (2,000m)
⬇️ Deepest: Baumannshöhle (600m)

Hessen

36 caves
15.2 km
96m
⬇️ Deepest: Erdbachhöhle (96m)

The figures of these places do not add up to the total: a cave can be in more than one place, or in none when its location has no lower level.

Administrative units: © BKG (2026) dl-de/by-2-0 (data sources). Boundaries simplified and reprojected by EspeleoWorld.

Contains information from © OpenStreetMap contributors, www.openstreetmap.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · Contains information from Grottocenter (Wikicaves), grottocenter.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · The derived data is available on request under the ODbL: [email protected]