Vihren is the highest peak of Bulgaria's Pirin Mountains. Reaching , it is Bulgaria's second and the Balkans' third highest, after Musala and Mount Olympus. The peak is located in Pirin's northern parts. The easiest route is from the Vihren chalet (2,000 m), reaching the summit from the south. Other routes include those from Banderitsa chalet (1,800 m) or across the ridge Koncheto from the north. A number of Pirin's lakes are located around the peak, as is Europe's southernmost glacial mass, the Snezhnika glacielet.