City Park is the former Castle Park. The palace was built by the family and extended by Mieroszewskich Donnersmarck. In the northern part of the park there is a seventeenth - century granary, which is still to 1974 he served as an economic object siemianowickiego PGR. Today it houses the Municipal Museum. The park is dominated by varied vegetation, including the five monuments of nature. Among the three great oaks, of which the most interesting is called. "Okiennik - connate with two trunks.
Dziś mieści się w nim Muzeum Miejskie. W parku dominuje różnorodna roślinność, w tym pięć pomników przyrody. W gronie tym są trzy wspaniałe dęby, z których najciekawszy jest tzw. "Okiennik" - zrośnięty z dwóch pni.