The West Sayan is a mountain range located in southern Siberia, Russia. It is part of the larger Sayan Mountains and stretches across the borders of the Tuva Republic and Khakassia. The range is known for its rugged terrain, diverse ecosystems, and rich wildlife, making it a significant area for both natural beauty and biodiversity. The West Sayan is characterized by its high peaks, deep valleys, and numerous rivers. The region is also home to several protected areas, including the Sayano-Shushensky Biosphere Reserve, which aims to preserve its unique flora and fauna. The mountains are popular for outdoor activities such as hiking and skiing.