The color depends on the mineral through which the water flows: red from the iron oxide, white from the crystallized calcium and yellow from the traces of clay.

Researchers from the University of Belgrade's Biology Faculty calculated that even the smallest bats can eat up to 3,000 mosquitos per night, which may explain the apparent lack of mosquitos in the Resava valley and on the slopes of the Beljanica mountain.

A popular tourist story developed around a specific stalactite and a stalagmite, their "love yearning and a kiss".

[4] North of Resava Cave is the cultural monument Lisine, which comprises two waterfalls, Veliko Vrelo and Veliki Buk.

[6] The Lisine hydro-complex and Resava Cave are under one administration, covering an area of 11 ha (27 acres).

[4] In 2017 the Government of Serbia and Institute for Nature Protection began preliminary actions into creating a new national park, which would cover the mountainous Kučaj-Beljanica region.