Mt. Gassan (Nishikawa Town, Yamagata Prefecture)
Overview (History, Features, and Attractions) Mount Gassan is a mountain located in Nishikawa Town, Yamagata Prefecture, with an elevation of approximately 1,984 meters. As one of the Dewa Sanzan (Mount Haguro, Mount Gassan, and Mount Yudono), it has long been an object of worship. Gassan Shrine is located at the summit, and the mountain has a strong history as a sacred place for mountain worship and Shugendo (mountain asceticism).