Poland's largest heathland located south of Borne Sulinowo, on a former military training ground. A viewing point is located on a hill there at the end of the road to Borne Sulinowo - Kłomino (car traffic permitted). On 26 November 2008, the “Diabelskie Pustacie” floristic nature reserve was established in the heathland, with an area of 932.53 ha.