About us
The former La Perchais quarry, a major sand production site, has high quality working faces, favorable to the discovery of the geology linked to the Sea of Faluns.
Guided tours for groups by reservation. Contact: 02 96 39 93 42 or accueil.mdf@dinancommunaute.fr
Contact
Geological Observatory
La Perchais
22630 Trefumel
La Perchais
22630 Trefumel