Within the landscape of Shingon Buddhism, certain pilgrimage routes function as living mandalas, inviting practitioners to enact the esoteric teachings with their very footsteps. Foremost among these is the Shikoku Pilgrimage (Shikoku Henro), an 88-temple circuit encircling the island of Shikoku. This route is intimately associated with Kūkai (Kōbō Daishi), the founder of Shingon, and is often understood as a journey in his footsteps. Many of the temples on this circuit are Shingon or historically linked to Kūkai, so that the physical journey becomes a sustained encounter with Shingon doctrine, ritual, and devotion.

Closely related in spirit is the pilgrimage focused on Mount Kōya (Kōyasan), the sacred mountain that serves as the spiritual headquarters of Shingon Buddhism. Here, pilgrims visit central sites such as the Danjō Garan temple complex and Okunoin, where Kūkai’s mausoleum is located. This mountain pilgrimage, whether undertaken alone or as part of a broader devotional itinerary, orients the practitioner toward the heart of Shingon’s esoteric vision, with its emphasis on ritual, mantra, and mandala. Kōyasan thus stands as both a destination and a symbolic center, gathering many other routes around it like spokes around a hub.

Beyond these major routes, there exist various regional circuits that link Shingon temples and communities across Japan. Some of these are organized around particular temple networks or mountainous regions where Shingon practice has long taken root. Such routes may be smaller in scale than Shikoku or Kōyasan, yet they preserve the same underlying intention: to transform travel into a disciplined spiritual exercise. Through these pilgrimages, the practitioner is invited to experience the world itself as a mandala, each temple a gate into the esoteric teachings, and each step an enactment of the path toward awakening.