The Zao Mountain Range is a prominent mountain range located on the border of Miyagi and Yamagata prefectures in Japan. It is known for its stunning natural beauty, featuring lush forests, volcanic landscapes, and diverse wildlife. The range is part of the larger Ou Mountains and includes several peaks, with Mount Zao being the highest at 1,841 meters. The area is popular for outdoor activities, including hiking, skiing, and hot spring bathing. The Zao Onsen hot springs are particularly famous, attracting visitors year-round. The region is also known for its unique winter phenomenon, the "frost-covered trees," which create a breathtaking winter landscape.