Mount Hiko (英彦山 Hiko-san?), is a mountain on the border between Fukuoka Prefecture and Ōita Prefecture in Kyūshū, Japan. It has an elevation of 1,200 metres.
It is an important site for Shugendo, and a famous place for rock climbing. It is supposed Miyamoto Musashi stayed there in order to train after surviving the Toyotomi clan defeat at Sekigahara.
33°28′35″N 130°55′33″E / 33.476389°N 130.925833°ECoordinates: 33°28′35″N 130°55′33″E / 33.476389°N 130.925833°E