The original Koya-kaido Road is a route that links Nagano-mura Village in Tannan-gun County, Kawachi Province (presently Kawachinagano City) with Mount Koya; however, the route north of Nagano splits into a number of roads that link various areas with Mount Koya.
高野街道自体は、河内国丹南郡長野村（現：河内長野市）と高野山を結ぶ街道であるが、長野以北は複数に分かれて各方面を結んだ。