Sine Wiry is a nature reserve with an area of 450 ha, located on the grounds of old villages Łuh, Zawój and Polanki. The reserve includes several kilometres of the Wetlina River and the southern slopes of Połoma hill (776m AMSL) mostly covered with forests of beech and fir.
The most typical place is the gorge of the Wetlina River, breaking through the rapids. Połoma slopes are covered with beautiful forests of beech and fir. The reserve is a place of great wealth of flora and fauna. In the reserve one can enjoy the beautiful views and the sound of the river.