The reserve has an area of 2676 hectares and part of it is the picturesque valley of the Branew River. Porytowe Hill is a place of one of the largest partisan battles of World War II. On the eastern edge of Porytowe Hill there is a monument commemorating these events, a partisan cemetery and partisan graves in the forest, traces of trenches and gun emplacements. There are two marked hiking trains that run through the area.