Plage de la Mine d'Or, Coastal geological formation in Penestin, France.
The Mine d'Or Beach spans two kilometers along the Brittany coast, featuring distinctive ochre cliffs rising to heights of ten meters.
During the 19th century, gold prospectors discovered gold flakes in these cliffs, leading to mining operations that continued until World War I.
Local residents once utilized the cliff water, rich in kaolinite minerals, for their laundry needs at the beginning of the 20th century.
The beach offers supervised swimming in July and August, with lifeguards stationed near the parking area for visitor safety.
The site contains sedimentary layers deposited by an ancient river, potentially the Loire, revealing geological formations dating back one million years.
Address: plage de la Mine d'Or, France
GPS coordinates: 47.47965,-2.49490
Latest update: October 22, 2025 09:29
Plage de la Mine d'Or
648 m
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À nos morts du Front de la Vilaine
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