Morning Machi Yamanoguchi remains (Asamachi Yamaokuchi Ichiki) is an ancient tomb group around the 6th and 7th centuries that was excavated in conjunction with prefectural Nango area district maintenance project in 1983. The summary of the survey and the excavated remains are reported as "Morning Machi Yamanouchi I", and this report mainly reports on the reliced ​​relics. Burial burial supplies of burial mounds include gold rasp and hammer, which is considered to be a group deeply involved in the production of ironware.