01 / Mezurashizuka Kofun
On the rear wall are painted a gondola-shaped boatand toads said to live on the moon.
One of the four tombs of the Yakata Kofun Group (屋形古墳群). It seems to have been destroyed long ago, leaving only the rear wall bearing the painting and the base stones. On the rear wall, red and blue pigments depict quivers, concentric circles, a gondola-shaped boat and two toads, with dots used heavily. Under the city's Reiwa 8 (FY2026) schedule, it is opened to visitors four times a year, by reservation.
- National historic site (Yakata Kofun Group; designated March 31, 1953)
- Rear wall about 2.5 m wide and 1 m high (Agency for Cultural Affairs)
- Open on the third Saturday of June, September, December and March (FY2026; reservation required)
