Kojiki: Records of Ancient Matters · Section 54
Emperor Jim-mu (Part XI.—His Age and Place of Burial)
54.1His Augustness Kamu-nuna-kaha-mimi ruled the Empire. Altogether the august years of this Heavenly Sovereign Kamu-yamato-ihare-biko were one hundred and thirty-seven. His august mausoleum is on the top of the Kashi Spur on the northern side of Mount Unebi.