Brief synthesisThe Neolithic Flint Mines of Spiennes occupy two chalk plateaux located to the south-east of the city of Mons. The Neolithic Flint Mines of Spiennes are the largest and earliest concentration of ancient mines of north-west Europe. Criterion (i): The Neolithic Flint Mines at Spiennes provide exceptional testimony to early human inventiveness and application. Criterion (iv): The flint mines at Spiennes are outstanding examples of the Neolithic mining of flint, which marked a seminal stage of human technological and cultural progress. AuthenticityThe Neolithic Flint Mines of Spiennes are fully authentic.