Royal reserve - forest-steppe reserve created on 25 July 1997 with an area of 48.64 ha. It aims to preserve many rare plants and interesting forest and xerothermic communities.
It covers an area of landscape features characteristic to Giełczewska Elevation. Within the reserve there is a spring called "stinking water spring". An interesting feature of the reserve is a linden of a strange, unique shape, which is covered with numerous growths and bumps.
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