Le Gros Trou

Achen

Cave in Achen (Moselle). Entrance altitude 328 m.

Characteristics

• Type: Cave
• Municipality: Achen
• Record updated: November 11, 2026

Location

Map

Approximate position

Entrances

Always verify coordinates and access conditions before setting out.

1. Le Gros Trou

   Elevation: 328 m

   49.067510, 7.192926
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Photos

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© Losson Benoît · CC BY-NC-SA (version not stated by the source), https://www.karsteau.org/karsteau/index.php · Karsteau: Photo Le Gros Trou · https://www.karsteau.org/karsteau/recherche/entree/recherche_entree.php?entree=47849

Image 1 of 3

Description

1,2 à 4 m de profondeur. En eau. Caractère naturel incertain. Détritus (ferrailles, plastiques, …)

Géologie

Etage strati local : Lettenkohle
Formation géol : Argiles de la Lettenkohle ?

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Source: Karsteau (Fédération Française de Spéléologie et Canyon) (www.karsteau.org), modified. CC BY-NC-SA (version not stated by the source), https://www.karsteau.org/karsteau/index.php Karsteau (Fédération Française de Spéléologie et Canyon) · Text by Karsteau (FFS) contributors, Karsteau (FFS) contributors (Géologie) · https://www.karsteau.org/karsteau/recherche/entree/recherche_entree.php?entree=47849 · data as of 2026