With over 200,000 tombstones snaking through nearly two kilometre’s of the sacred Wakayama mountain forest, the Okunoin cemetery is the epicentre of ancient Shingon Buddhism and the mausoleum site for one of the most revered men in the religious history of Japan. Tucked away in the shadowy heart of Mount Kōya, Japan’s holiest mountain, Okunoin isn’t just Japan’s largest cemetery it’s a spiritual artery that pulses with esoteric energy, ancient Buddhist tradition and a deeply