Rezerwat Szumny Zdrój

Szumny Zdrój im Kazimierza Sulisławskiego - a forest nature reserve in Kujawsko-Pomorskie Province in the Dobrzyn Lake District.

Established in 1958 to preserve for scientific and didactic reasons a fragment of mixed forest in the Dobrzyn Upland with rare and protected species of herbaceous vegetation. Initially it covered an area of 4.75 ha, in 1981 it was extended to an area of 37.16 ha and given the name of Kazimierz Sulisławski. Currently, the reserve covers an area of 37.04 ha, of which 21.92 ha are under strict protection and 15.12 ha are under active protection.

The patron of the reserve, Kazimierz Sulisławski, was a forest inspector, a friend of Leon Wyczółkowski who often accompanied him on painting expeditions, and after World War II he was a provincial conservationist in Bydgoszcz.