01 / Tomb group
Test digs for housing found a tomb group;the town bought the hill.

Test digs in 2011 for a housing development confirmed several tombs, and development on the northern part of the hill was frozen. According to the town's excavation report, the group was designated a national Historic Site on 7 October 2015, and the town bought the hill area. Tomb 3 is a square mound about 15 m on a side; a Chinese-made mirror with gods and beasts (a gabuntai kanjonyu shinjukyo) came from its wooden coffin.
- National Historic Site, 7 October 2015
- Tomb 3: square mound about 15 m a side
- Thought to date from the mid-3rd century
