On the territory of Bansko municipality within the scope of Pirin National Park, falls a part of the Bayuvi Dupki - Dzhindzhiritsa Reserve. It was formed in 1979 when the territories of previously established Bayuvi Dupki (1934), Segmentepe (1947) and Little Djindjiritsa (1952) were expanded with a new bigger area. It aims to preserve precious for Europe forests of black and white fir and an area of 2873,0 ha. The Reserve is included in Biosphere Reserves to the UNESCO "Man and Biosphere" Program. Here is the largest locality of alpine edelweiss in Europe.