Museum
Underground mills
Underground Mills. © Guillaume Perret
- OrtPlace
Le Locle
- DauerRecommended Duration
- 1 h 30
A mythical descent 23 m underground to discover a unique industrial heritage.
The only industrial heritage site of its kind in Europe: hydraulic mills buried 23 m underground attest the ingenuity of this region's inhabitants. A thrilling walk in the bowels of the earth to learn all about this 17th-century invention.
Opening hours
Opening hours
- From 1 Nov 2025 to 30 Apr 2026
- Tuesday - Sunday
- 14:00 - 17:00
- From 1 May 2026 to 31 Oct 2026
- Monday - Sunday
- 10:00 - 17:00
Prices
Prices
- Prices per personAdults
- CHF 14.-
- Seniors, Students
- CHF 11.50
- Children (between 6 and 16 years old)
- CHF 7.-
- Families
- CHF 30.-
- Prices for groupsAdults
- CHF 9.50
- Seniors, Students
- CHF 8.-
- Children (between 6 and 16 years old)
- CHF 4.-
- Surcharge - Guided tourUp to 10 persons per guide
- CHF 50.-
- Up to 25 persons per guide
- CHF 70.-
Good to know
Good to know
- Access by public transport: bus Car Postal n° 381 (stop Moulins souterrains)
- Visits with audioguides in French, German, English and Italian
- From May to October, guided tours daily at 11 am in German and 3pm in French
- From November to April, guided tours Tuesday to Friday at 3pm in French, Saturday and Sunday at 2.15pm in German and 3.30pm in French
- Temperature of grotto: 7°C. Wear warm clothing. Lots of stairs
On site
On site
- Accessibility
- Free parking
- Suitable for families
- Accessible by public transport
- Custom hours on request
- Activities
- Animations for children
- Guided tours
- Exhibition / explanations
- Services
- Suitable for groups
- Credit/debit card accepted
- Picnic area available
- Shop
- WC
- Cloakroom
Access
Zugang
- Public transport
- Directions
Links & PDFs
Links & PDFs
Contact
Contact
