Babczyna Dolina Nature Reserve is a forest nature reserve with an area of 76.25 ha, located in Silesian Voivodeship, in the Pszczyna County, in the Gmina Suszec.

[2] The object of protection is a natural complex of Calamagrostio villosae-Pinetum (bór wilgotny trzcinnikowy), which consists of pine with an admixture of spruce, oak, silver birch and downy birch, as well as beech and fir.

[3][4] The dominant species in the undergrowth is Calamagrostis villosa, from which the nature reserve takes its name.

In addition there is also peat bog and Sphagno squarrosi-Alnetum (forest complex dominated by black alder or downy birch).

[5] It is also a home for many animal species, including viviparous lizard (Zootoca vivipara), slowworms (Anguis), grass snake (Natrix natrix), and pool frog (Pelophylax lessonae).