A challenge that has taken on a greater urgency than before the World Heritage listing is disaster prevention at Mount Fuji, an active volcano. The Sept. 27, 2014, eruption of Mount Ontake ...

Hikers attempting any of Mount Fuji's four main trails will be charged ... entry fee plus an optional donation for the active volcano's most popular hiking route, the Yoshida Trail.

Last year, Yamanashi region -- home to Mount Fuji -- introduced a 2,000 yen ($14) entry fee plus an optional donation for the active volcano's most popular hiking route, the Yoshida Trail.