The Kajasówka Inanimate Nature Reserve, illustrating steppe-formation of the landscapI is situated in the municipality area. The Kajasówka Reserve in Przeginia Duchowna is a typical example of horst, extremely narrow and separating two tectonic fissures: Rybna ditch and Cholerzyn – Półwieś subsidence. It is covered by xerothermic vegetation. Kajasówka is a strict reserve, of an 11.83 ha area. An educational/tourist trail on geology and geomorphology leads through the reserve. Other tourist trails run near to the reserve.