Situated in the mountains of northern honshu , this trackless site includes the last virgin remains of the cool - temperate forest of siebold ' s beech trees that once covered the hills and mountain slopes of northern japan 白神山地位于北本州的群山中,该地区人迹罕至,保留了最后一个未被开发的寒带西博尔德毛榉树森林遗迹,西博尔德毛榉树曾经分布很广,几乎覆盖日本北部的所有丘陵和山坡。