The Sobaek Mountains are a mountain range located in South Korea, primarily stretching across the provinces of Chungcheongbuk-do and Gyeongsangbuk-do. They are part of the larger Taebaek Mountain range and are known for their scenic beauty, diverse ecosystems, and rich biodiversity. The highest peak in the Sobaek Mountains is Birobong, which stands at 1,439 meters. These mountains are popular for outdoor activities such as hiking and camping, attracting nature enthusiasts and tourists. The region is also home to several national parks, including Songnisan National Park, which features unique rock formations, waterfalls, and various plant and animal species.