Matka – A gorge in which a rich complex of mediaeval building survives, including churches, monasteries and remnants of a fortress (the mediaeval town of Matka).There are dozens of caves and large number of endemic plants and animals. The Canyon covers an area of around 5.000ha and is located 15km south-west of Skopje. By its morphogenetic characteristic, it is a breakthrough gorge. Krastic form deserve particular attention here-ten caves with their length ranging between 20 and 176 meters and two vertical chasms with a depth up to 35 meters. Matka was one of the largest refugee centers during the glacial period resulting in the presence of high number of relic and endemic plants, 20% are endemic or relic spices.
Among Tertary relics, the most significant are the kosani violet and natay’s Ramonda (Ramonda natalie).It is also important to mention that there are 77 species of Balkan endemic small butterflies in area of Matka Canyon, while 18 other species are new to the science. The Treska canyon is vertically cut into the massive of Suva Mountain. The different formations in the canyon like the karrens, flutes, valleys, cracks, crevices and caves have been formed by a long term impact of the mountain rivers, as well as by great temperature oscillations. In the surroundings of the Treska Canyon one can find dozens of caves, the most beautiful ones being Vrelo, Krshtalna and Ubava.