Karst phenomena (e.g. sinkholes) can also be observed in the immediate vicinity of the sinkhole.

At a depth of below the surface of the lake, after crossing the siphon called Zubatice (after its jagged shape), it is possible to ascend to the dry caves (Rotunda Dry, Heaven I-III, Monika). These are continuously monitored, including water and air temperature measurements. In addition, the Dry Rotunda is known as a roosting site for bats, which enter it through a narrow passage