š Unique industrial heritage site, hydraulic mills buried 23m underground.
š Built into natural karst caves in the 17th century, powered by the Bied River.
š Descend to see three levels of mill, including a giant waterwheel.
šļø Attached museum with local history exhibitions.
š£ļø Audio guide available in German, French, Italian, and English.
ā ļø Grotto temperature 7°C, wear warm clothing.
šŖ Lots of stairs, may not be suitable for all.
š
æļø Large car park nearby.
š Accessible by public transport (bus stop Moulins souterrains).
š° Adults CHF 14, seniors/students CHF 11.50, children (6-16) CHF 7, families CHF 30.
š Daily 10:00-17:00 (May-Oct). Tue-Sun 14:00-17:00 (Nov-Apr). Closed Jan 26-28, 2026 for works.
Last updated 1 day ago
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