Iwatoyama Tombs

岩戸山古墳

A total of 135m in length, this is the largest-class ancient imperial grave in northern Kyushu. One of the mounds is marked as the grave of Tsukushi no Kimi Iwai according to the Chikugo Fudoki, and as of present many stone images of people/horses and haniwa(clay figures) etc. have been excavated here. Many of these artifacts have been designated as cultural properties of Japan or of the prefecture.

About the building
Classification: National Historic Site
Built: During the late part of the Tumulus period
Size: 135m total length, the back part of the keyhole shape is 70m in diameter, the front part is 95m wide, and it is 13.5m tall.
Barrier free
Wheelchair toilets/Guide dog assistance possible

Address (Japanese)	834-0006　福岡県八女市吉田1396-1
Address	1396-1 Yoshida, Yame City
Telephone Number	0943-24-3200（岩戸山歴史文化交流館「いわいの郷」）
Contact	Yame City Board Of Education, Lifelong Learning Department
Fax Number	0943-24-3210（岩戸山歴史文化交流館「いわいの郷」）
Price	No fees
Car Park	40 parking spaces available (Parking location for disabled individuals as well)
Access	10 minute drive from Hirokawa IC on Kyushu Expressway/5 minute walk from Nishitetsu Bus ”Fukushima Kokomae”