Visited this site in August 2019 during weekend trip to Poland. Visitor center is located in lovely rural setting, however the main entrance seems to be for administrative and the cash desk is located on the lateral side. There was no English tour available, so I joined Polish tour for 18 Zloty. While waiting for the tour it is possible to browse adjacent Archaeological museum, which only has explanation in Polish. There were many illustrations of shrimps and crabs at the information stands, so afterwards it was interesting to find out myself through internet the process of flint formation, in which indeed they played leading role.

The site seems to be quite popular among locals and approximately 20 people continued to the forest with the guide. Krzemionki is on the world’s largest concentration of flint mines with more than 4,000 prehistoric mines. On the route, there are first two covered restored mines with human figures of prehistoric people followed by the most interesting part beings, underground chamber mines. These were most advanced among different mine types and reached the depth of 9 meters. The tourist route is currently 465 meters long. It is full of black flint formations embedded in the white limestone. One of the highlights is prehistoric charcoal anthropomorphic drawing of a human figure near the exit from underground tunnel. This figure serves as the logo of Krzemionki. Some researchers support the opinion that this pictogram is a forgery (made by a student during internships in the 1960s); others, however, point out that it was discovered several years before these internships took place and therefore its authenticity should not be questioned. Also, there is hypothesis that this is a depiction of a woman in childbirth, hence possibly a representation of the “Great Mother” (which is often found as figurine in pre-historic caves).

I liked the site, it has its own advantages and disadvantages compared to Spienne, but is more accessible. Of course, it would be more informative to provide English explanations in the museum.