The Central Balkan Mountains, also known as the Stara Planina, are a mountain range in Bulgaria that stretches approximately 600 kilometers. This range is characterized by its rugged terrain, deep valleys, and diverse ecosystems, making it a significant natural landmark in the region. The mountains are home to various flora and fauna, including several endemic species. The Central Balkan Mountains are also important for outdoor activities such as hiking and skiing. The area features several protected parks, including the Central Balkan National Park, which preserves its unique biodiversity and offers visitors opportunities to explore its scenic landscapes and rich cultural heritage.