Dewa Sanzan is a group of three sacred mountains located in Yamagata Prefecture, Japan. These mountains are known as Haguro, Gassan, and Yudono. They are significant in the Shinto and Buddhist traditions, attracting pilgrims and hikers who seek spiritual enlightenment and natural beauty. The area is famous for its lush landscapes, ancient temples, and traditional practices. Each mountain has its own unique features and rituals, with Haguro being the most accessible, while Gassan is known for its stunning views. Yudono is considered a place of purification, making Dewa Sanzan a vital spiritual destination.