Mount OizuruMount Oizuru is located on the borders of Gifu, Ishikawa and Toyama prefectures in Japan. It is in the northern area of Hakusan National Park and is part of the Ryōhaku Mountains.GeographyMount Oizuru, at, is the tallest mountain in the northern part of the Ryōhaku Mountains. Just north of the mountain is Mount Ōgasa, which is slightly shorter at. There are three triangulation stations on the mountain's thin peak.HistoryTaichō is said to have first scaled the mountain in the early eighth century.