From Rokuro Pass which was one of Koya Nana-kuchi (seven gates of Mt. Koya), a flat forestry road extends along the ridge, and it descends from a dug way before Susuki Pass to Odo-gawa River.
高野七口のひとつでもあったろくろ峠からは平坦な尾根沿いの林道を進み、薄峠（すすきとうげ）手前の切り通しから御殿川（おどがわ）へと下る。