The 발칸 산맥, or Balkan Mountains, is a mountain range in southeastern Europe. It stretches approximately 600 kilometers across Bulgaria and Serbia, forming a natural barrier between the northern and southern regions of the Balkan Peninsula. The highest peak is Botev Peak, which reaches an elevation of 2,376 meters. The range is known for its diverse ecosystems, including forests, meadows, and alpine areas. It is home to various wildlife species and offers numerous hiking trails, making it a popular destination for outdoor enthusiasts. The Balkan Mountains also hold cultural significance, with many historical sites located in the region.