Mines in Silesia are obvious, but mines in Tuchola Forest? Piła-Młyn will surprise you with its mining history. In the years 1850-1939, the only underground lignite mines in northern Poland operated here. One of them, "Montania", has been preserved to this day, giving rise to the Miners' Village. This is a place where old mining traditions are recreated and nurtured. You will hear an interesting stories here, learn the secrets of underground brown coal mining, discover mine sinkholes, a fall adit, the remains of the mine's technical facilities, and with a bit of luck, you will meet the mysterious ghost of the mine.