Grotte de Spy
Jemeppe-sur-Sambre, Belgium
Spy Cave (French: Grotte de Spy) is located in Wallonia near Spy in the municipality of Jemeppe-sur-Sambre, Namur Province, Belgium above the left bank of the Orneau River. Classified as a premier Heritage site of the Walloon Region, the location ranks among the most significant paleolithic sites in Europe. The cave consists of numerous small chambers and corridors.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).