The Kumano Kodo is a network of ancient pilgrimage routes threading through the deep forested mountains of the Kii Peninsula in Wakayama, Mie and Nara Prefectures. Designated a UNESCO World Heritage Site in 2004 alongside Spain’s Camino de Santiago — the only two pilgrimage routes in the world to share this dual designation — the Kumano Kodo leads to three grand shrines (Kumano Sanzan) regarded as the spiritual heart of Japan.
The Three Grand Shrines
The destination of all Kumano Kodo routes is the Kumano Sanzan — three separate shrine complexes spread across the mountain interior:
Kumano Hongu Taisha: The most sacred of the three, set in a cedar grove above the Kumano River. The original shrine stood on a river island called Oyunohara until a flood in 1889 swept it away; the enormous torii gate erected on the former site is now one of Japan’s largest wooden torii. The current shrine buildings date from 1891.
Kumano Nachi Taisha: Set on a forested hillside above Japan’s tallest uninterrupted waterfall — Nachi no Taki, which plunges 133 metres. The three-story orange pagoda of Seiganto-ji temple beside the shrine creates one of Japan’s most photographed compositions, perfectly framing the falls in the gap between buildings.
Kumano Hayatama Taisha: The most accessible of the three, located in the coastal city of Shingu at the mouth of the Kumano River. The shrine’s ancient camphor trees, some over a thousand years old, and its collection of National Treasure objects make it the most museum-like of the three.
The Main Routes
Nakahechi (Imperial Route): The most historically significant and most walked route, running approximately 70 kilometres from Tanabe on the coast inland to Kumano Hongu Taisha. The full route typically takes 3–5 days. The most popular single-day section runs from Takijiri-oji (the formal route entrance) to Chikatsuyu-oji — approximately 14 km through mountain cedar forest with stone-paved sections preserved from medieval times.
Kohechi: The most demanding route, crossing three mountain passes over 3,400 metres of total elevation gain across approximately 70 kilometres from Koyasan to Kumano Hongu Taisha in three to four days. Connects two of Japan’s most sacred sites in a single physically challenging traverse.
Ohechi (Coastal Route): Follows the Pacific coastline from Tanabe to Nachi, combining ocean views with forest sections. Less steep than the Nakahechi but longer. Less historically documented, recently waymarked for through-walking.
Iseji: The eastern approach route connecting Ise Jingu (Japan’s most sacred Shinto shrine) to the Kumano Sanzan via the Mie Prefecture coastline. Approximately 170 kilometres; many pilgrims historically walked both Ise and Kumano as a single extended journey.
Practical Walking Information
The World Heritage office in Tanabe operates an English-language information centre that provides detailed section-by-section maps, accommodation lists (minshuku and ryokan along the route) and luggage-forwarding service (takuhaibin) between designated trail bases. Trail waymarking in English and Japanese is generally clear on the main Nakahechi route.
Best walking season: April–June and September–November. Summer (July–August) brings intense humidity and heat in the mountain forest, plus leeches (yamabiru) on sections where cattle graze nearby. Winter (December–February) is cold but quiet; some mountain sections may be icy. Nanki-Shirahama Airport receives flights from Tokyo (Haneda); Shirahama is also accessible by JR Kuroshio Express from Osaka in approximately 2.5 hours.
Pilgrimage stamps (goshuin) are available at each shrine and at designated rest points along the route — completing a stamp booklet from trailhead to destination is a personal record-keeping tradition shared with the Camino de Santiago credential system.