The Japanese red-backed vole is endemic to the island of Honshu in Japan and occurs in the Chūbu region, the Hokuriku region and in the more northerly parts of the island, and also in the Kii Peninsula. It is mostly found at altitudes of over 400 metres (1,300 ft) but below the alpine zone. It typically occurs in rocky areas and around rivers, as well as in banks, dykes and stone walls in agricultural areas.[1]
Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.