• Mills in a cave.
  • A journey through history.
  • Discover their history in the converted cave and the museum.

To the timetable


More than 400 years old, the mills of Col-des-Roches are underground.

Dugged by the waters of the valley of Locle, the cave of Col-des-Roches was the object, in the middle of the XVIIe century, remarkable facilities. Admire the talent of the engineers who tamed an underground waterfall and built hydraulic wheels that powered mills, rebats and saws. The cave that can be visited and the adjoining museum tell the extraordinary story of these underground mills.

Further content

SBB Contact Center

For timetable and ticket information, contact 0848 44 66 88Link opens in new window.

CHF 0.08/min.

(daily 24 hours)