The Urayaya burial mound group (Furunun to Ura) was reported in Fifth Collection as Uratan Burial Mound Group I in 1986, and this time we report on 6 groups that were investigated in FY 1986 I will. These tumulus groups are distributed on a hill of about 80 m above sea level, and they belong to the new 7 th century as ancient tombs. Many relicfies related to iron production, such as smithing tools, were seen from the surrounding ruins, and it seems there was a regional cohesion through the iron production in the upper stream of the River River. Another one located somewhat far away is preserved in the field as Morning Machi Yanokuchi ruins No. 23 mound.