Neolithic flint mines of Spiennes Minières néolithiques de silex de Spiennes
Mons, Belgium UNESCO World Heritage Site
The Neolithic flint mines of Spiennes are a World Heritage Site and a mine located in Mons, Belgium. This site is recognized as an exceptional heritage property of Wallonia.
Planning a visit
The weather in Mons varies throughout the year. July and August have the highest temperatures, with daily highs reaching 22 °C and lows of 14 °C. The wettest month is December, which sees about 75 mm of rain over 15 days, while April is the driest with about 48 mm of rain over 11 days.
To reach the site, you can fly into Brussels South Charleroi Airport, which is 34 km away. The mines are also 54 km from the capital, Brussels. While visiting, you can combine your trip with other nearby locations such as the Saint Waltrude Collegiate Church (4.5 km), Maison Van Gogh (4.7 km), Pairi Daiza (19.5 km), or Lion's Mound (41.4 km). This site is the 43rd most looked-up sight in Belgium on this website and ranks 42nd among the country's sights in terms of English Wikipedia lookups.
Weather by month
The warmest month is July, with an average high of 22 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 6 | 7 | 10 | 14 | 17 | 20 | 22 | 22 | 19 | 15 | 10 | 6 |
| Average low, °C | 1 | 1 | 3 | 5 | 9 | 12 | 14 | 14 | 11 | 8 | 4 | 2 |
| Rainfall, mm | 70 | 56 | 68 | 48 | 62 | 70 | 64 | 66 | 57 | 71 | 68 | 75 |
| Rainy days | 15 | 13 | 13 | 11 | 12 | 12 | 11 | 13 | 12 | 13 | 14 | 15 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
