Haguro-san, located in Yamagata Prefecture, is one of the three sacred mountains known as the Dewa Sanzan. Yamabushi, the followers of the Shugendo religion, visit Haguro in pilgrimage, but the mountain attracts visitors of all kinds year-round.If you need a spiritual recharge or are just looking for an easy, beautiful hike, Haguro-san is a great place to visit.