Book this challenging full day hiking tour in yakushima island the unesco world natural heritage yakushima island is situated in the kyushu area of japan and mt miyanoura is the highest peak with a height of 1 935 m 6 348ft in the area there is no better way to appreciate the beauty of yakushima especially if you love nature and hiking as mt miyanoura is listed as japanese best 100 mountains by kyuya fukada a famous japanese writer and mountaineer active