Le Rocher du Quartz

56500 Plumelin

Quartz remarquable de Tréharday, fléché depuis le lieu-dit Talhouët : un énorme monolithe de quartz qui aurait la particularité d'émettre des ondes magnétiques.

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Listing provided by OT CENTRE MORBIHAN COMMUNAUTE (updated by the source on 23/03/2026).

Tourist office data: DATAtourisme, Licence Ouverte (French open licence), updated 31 October 2026.