Bieszczady National Park is the third biggest national park in Poland. Bieszczady National Park protects the highest parts of the Polish East Carpathian. In the park there are two vegetation and climate zones: the foothill zone and mountain pastures. Nearly 80% of the park is covered with natural forests: broad-leaf or broad-leaf and mixed forests with beech, grey alder, sycamore, spruce, and fir; 15% of them is considered a forest stand of primeval character. They can be found, among others, on the south-western slopes of Mała Rawka and Wielka Rawka as well as on the northern slopes of Smerek. The strict protection areas cover about 63% of the park, which is the highest index among all the national parks in Poland.