The central dividing ridge trail extended over Kirigamine, Kurumayama, Yashima wetland, Mt. Washigamine, Mt. Mitsugamine alongside the venus line through Chushin highland, with the 38-km course within from Nagato pasture to Bigahara highland especially called "Central dividing ridge trail of Kirigamine / Bigahara". We belong to "Japan long-trail", an NPO, to nurture the "culture of walking", for many of you to experience the attractiveness of "walking trip". A trekking course where you can fully enjoy the beauty of a highland such as the sprouting green of spring; the beaty of Nikko hemerocallis and Japanese azalea in early summer, colored leaves in forests in fall. Also a trail popular for walking-through tour, winter-time snow shoe, montain marathon or wisky/beer camp in a highland; a highland area to fully enjoy the venus line and grassland and highland.