Level: Strenuous
Peaks:1,500km
Access: Flights to Hokkaido are available from Tokyo, but it can be around a third of the price to go by ferry (around 10000 yen) - just be prepared to take your time, as the boat trip is 19 hours!
I've compiled a list of hiking trails for experienced and non-experienced hikers in the different regions of Japan. (75% of Japan is mountainous)
Add your own information to the list while also receiving updates from the original list.
Full access to your copy of the list, but no ongoing updates from the original list.