Area 8837,25 ha. Rupite include the Struma River, south of Sandanski to the border with Greece. Within the boundaries enters part of the Marikostinovska valley. Rare plant species like Parvotricetum myrianthum, Amygdalus webbi, Dracunculus vulgaris, Colchicum bivonae are found. In the area of Rupite 141 bird species have been established. Of these, 33 are listed in the Red Book of Bulgaria. 63 species are of European conservation concern (SPEC) (BirdLife International, 2004). There are Levant Sparrowhawk / Accipiter brevipes /, Short-toed Eagle / Circaetus gallicus / and the White Stork / Ciconia ciconia /.