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 text describes Vihren as the highest peak in Bulgaria's Pirin Mountains, with a height of . It is the second-highest mountain in Bulgaria and the third-highest in the Balkan region, following Musala and Mount Olympus.