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Visit : Museum/Discover, Grottoes And Caves, World Heritage (Unesco)

Neolithic flint mines in Spiennes - SILEX'S Mons

Neolithic flint mines in Spiennes - SILEX'S Mons

The neolithic splint mines in Spiennes, a listed World UNESCO heritage site, and the brand new SILEX'S interpretation centre await you only 6km from Mons.
Stretching over 100 acres, the Neolithic mines in Spiennes are one of the largest and most ancient mines in Europe. They have been UNESCO world heritage sites since 2000.


"SILEX'S", the Neolithic mines of Spiennes' new interpretation centre, takes visitors on a journey to discover the secrets of this staggering archaeological site. It will offer numerous activities such as educational outdoor walks, a visit of the semi-permanent exhibition, and a descent to 9 mentres below-ground.
Spiennes is a well-known prehistoric site in Europe. There is evidence of human presence since the Palaeolithic age.

During the Neolithic, between 4200 and 2500 BC, a large number of flint mines were dug and can now be seen thanks to some brilliant work by archaeologists.


Travelling down into the neolithic mines is limited to 5500 people per year, for conservation reasons. Visits need to be booked beforehand at the Mons Tourist Office, by calling +32 (0)65/39 59 39.
Consult all the useful information (in French)

World Heritage of Humanity


  • tel. : +32 (0) 65 39 59 39
  • website :
  • email :

To discover

PLUSTourist information on the town MONS