Also known as: Taisho-ike - Myojin
Kamikochi - flat walks along the crystal Azusa River beneath the Hotaka peaks (Kappabashi, Taisho Pond)

The line through Northern Alps (Nagano), Japan - waypoints, elevation and the day-by-day shape of the walk.
Late Apr-mid Nov (the valley is closed in winter)
Cool mountain air; can rain; closed and snowbound in winter
Open late Apr-mid Nov only; private cars banned - bus/taxi access. Confirm.
Flat riverside boardwalks and paths along the Azusa River
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Flat boardwalks - a mixed-ability favourite
Very popular
Taisho Pond, Kappabashi, or on to Myojin Pond
Kamikochi (bus from Matsumoto/Takayama)
Bus/taxi only into Kamikochi (no private cars)
Day route - none needed
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Kamikochi / Matsumoto; limited or none on the trail
Not required; self-guided
No permit; private cars banned (bus/taxi only). Confirm.
Permits and operators change - confirm before booking.
Cool weather; monkeys (do not feed)
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.