Relatively favorable natural conditions have enabled the Bitola area, Bitola region and beyond to have a great wealth of forest resources in the distant past. The largest and highest quality forest complexes in the Bitola municipality extend in the area of the mountain peak Kajmakcalan on Nidze Mountain and the peak Pelister with Baba Mountain, as well as parts of Bigla Mountain.
The most common tree species are: white pine, black pine, alder, beech, oak, fir and aspen. The Kajmakchalan region covers an area of 14,800 ha with a reserve of quality forests (black pine, pine, fir, beech, etc.).
The region of Baba Planina with the peak Pelister, excluding the region of the National Park “Pelister” (the first national park in the Republic of Macedonia, declared in 1948), covers an area of 10,400 ha (of which the pine – molika, the autochthonous endemic five-needle pine Pinus peuce discovered by the Austrian botanist August Grisebach in 1839, in the so-called strictly protected zone covers a complex of 1,600 ha).
On the eastern slopes of Baba Planina there are exceptionally low-stemmed forests, namely oak 8,180 ha, beech 2,067 ha and other types of forests 840 ha or a total of 11,087 hectares. The vegetation of “Pelister” has a specific botanical significance. 88 species of woody plants grow here, classified into 23 families.
The mountain vegetation of “Pelister” is divided into: 19 communities, 11 alliances, and 7 orders. The area of wild fauna of “Pelister” is home to 62 species of animals, among which the deer, roe deer, chamois, wild boar, bear, lynx, hare, wolf, partridge and rock tern stand out.
Of the fish, it is important to highlight the presence of Salmo trutta peristericus and the Pelagonian brown trout Salmo trutta pelagonicus.