The Neolithic flint mines of Spiennes - SILEX'S Mons

  • Neolithic flint mines of Spiennes - SILEX'S Mons
  • Grottoes and caves
  • Museum & discovery

Just 6 km from Mons, The Neolithic flint mines of Spiennes, listed by UNESCO since 2000, and their brand new interpretive centre, SILEX'S are well worth a visit. Dotted with thousands of mine shafts, the site extends over 250 acres: this is one of the oldest and largest centres for the extraction of flint in Europe.


SILEX'S, the interpretive centre at the Neolithic flint mines of Spiennes, presents the many facets of this internationally renowned archaeological site. Visitors will have the possibility to go on educational walks at surface level, visit the semi-permanent exhibition and descend into a real Neolithic flint mine, 9 metres underground.

Spiennes is an important prehistoric site in Europe - there is proof of human life in the are from the Palaeolithic period. The flint mines were dug during the Neolithic period, between 4200 and 2500 BC. A few have been fully excavated by archaeologists and can be visited.

Need to know

Only 5,500 persons are allowed down these Neolithic flint mines a year to preserve the site as is. Please contact Mons Tourist Office (+32 (0)65/39 59 39) and book beforehand.

All practical details are available on the site.



€ 2.5
€ 1.25
The information provided is an indication only. We advise you to inquire directly with the organisers of the event that interests you before you leave.