We operate the site and provide cave tours.

We run a museum which displays exhibitions focusing on fishing and fish farming. We sell souvenirs thematically related to the museum's focus.

History of Belsk to the 19th century. The museum was founded at the turn of 1906 and 1907. It was preceded by years of hard work by many amateur and professional enthusiasts, researchers and Czech patriots who had been active in the region since the 19th century.