Grotte du Trou-Madame
The Grotte du Trou-Madame ( German "Cave of Trou-Madame" ) is a natural cave north of Méailles , in the Massif du Pelat, in the Alpes-de-Haute-Provence department in France .
In 1876 the guide pointed out the cave to Joanne. In 1960 the access to the cave was found again.
The height difference cave is 56 m, length about 350 m. The cave was formed in the Nummulitic limestone ( Eocene ) and sea chalk . The cave is a so-called contact cave between two geological layers. A similar cave is the nearby Grotte du Cul de Bœuf .
literature
- Jean-Yves Bigot: La toponymie: un sens aux noms de lieux. Méailles et la region d'Annot. Paysages culturels karstiques. Architecture d'une relation homme-territoire unique. Université de Nice Sophia Antipolis, Département de Géographie, Méailles et la région d'Annot., Montebelluna, Museo di Storia Naturale e Archeologia di Montebelluna, 2005, pp. 47-48 ISBN 978-88-901411-2-6 .
- Jean-Yves Bigot, Christophe Bès: Les grottes de contact des marno-calcaires. La caunhà de Rouairoux (Aude) et la grotte du Cul de Bœuf (Alpes-de-Haute-Provence), Le Grotte d'Italia, Rivista dell'Istituto Italiano di Speleologia e della Società Speleologica Italiana. Atti della Tavola Rotonda Internazionale “Grotte e carsismo nel gruppo delle Grigne e nelle valli del Lario”, Valsassina, 2–5 September 2004, Frasassi, Série V, 2004, pp. 63–68 ISSN 0373-7500
Coordinates: 44 ° 1 ′ 46.9 ″ N , 6 ° 37 ′ 32.9 ″ E