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.