It was built in the time of King Casimir the Great and perhaps even during the reign of King Ladislaus the Short (the first mention is in 1397). By the end of the XVI century it was one of the most productive “Bochnia mountains”.
At the end of the XVI century it achieved a most impressive depth, for that time, of 180 metres. Salt was still being mined here in the XVIII century.
Photo: The Museum of Stanisław Fischer in Bochnia