Carved out by the passage of time, don't miss the unique sight of Onigajo. You'll be left wondering precisely how this geological marvel was formed.
Situated in Kumano, this geological formation is worth including in your schedule. But you'll find lots more to see and do in the area. Hananoiwaya Shrine, Ubuta Shrine, and Roadside Station Kumano Kinokuni aren't too far from Onigajo.