Dear Wikiwand AI, let's keep it short, summarize this topic like I'm... Ten years old or a College student
The Kumano Kodō (熊野古道) is a series of ancient pilgrimage routes that crisscross the Kii Hantō, the largest peninsula of Japan. These trails were used by pilgrims to "Kumano Sanzan" (熊野三山) or the Three Grand Shrines of Kumano: Kumano Hongū Taisha (熊野本宮大社), Kumano Nachi Taisha (熊野那智大社) and Kumano Hayatama Taisha (熊野速玉大社).
The Kumano Kodō pilgrimage routes that lead to Kumano can be categorized into three sub-routes: Kiji; Kohechi; and Iseji.
On 7 July 2004 the Kumano Kodō and Kumano Sanzan, along with Koyasan and Yoshino and Omine, were registered as World Heritage sites together as the "Sacred Sites and Pilgrimage Routes in the Kii Mountain Range".