Since the Meiji period, this area as a whole came to be included in Chii Village, and the area of this research forest, referred to vaguely as Ashiu Oku-yama Mountain or Oroshi-yama Mountain, came to be registered in the forest cadaster due to land-tax reform.
明治以降はこの地域全体が知井村となり、芦生奥山やおろし山などと漠然と呼ばれていた当研究林のエリアは、地租改正によって山林土地台帳も整備された。