L’Etang des Royes
11 October 2021
The Fen (l’Étang) des Royes and the quarry (Carrière) des Royes are two remarkable places in the Franches-Montagnes (Canton of Jura). The quarry for the extraction of marlstone owes its existence to the collision of the continental plates of Africa and Europe 230 million years ago. The result was the Alps and the Jura, surrounded … Read more » “L’Etang des Royes”
