Sannai-Maruyama Site in Aomori

Sannai-Maruyama Site in Aomori, Japan

The Sannai-Maruyama Site is a large prehistoric site located in the Aomori city of Aomori, Japan. It is one of the largest and best-preserved Jomon period (approximately 14,000 BC to 300 BC) settlements in Japan.

History of the Sannai-Maruyama Site

The Sannai-Maruyama Site was discovered in 1992 during a survey for a new housing development. It covers an area of approximately 100 acres and is thought to have been inhabited by the Jomon people for over 2,500 years.

What to See at the Sannai-Maruyama Site

Visitors to the Sannai-Maruyama Site can explore the remains of over 500 buildings, including pit dwellings, storage pits, and raised-floor buildings. The site also features a reconstructed Jomon village, where visitors can see what life was like for the Jomon people.

Other highlights of the Sannai-Maruyama Site include:

  • The largest Jomon period structure ever discovered, which measures over 150 feet in length
  • The remains of a large central plaza, which was likely used for communal activities
  • Artifacts such as pottery, stone tools, and jewelry, which provide insight into the daily lives of the Jomon people

Getting to the Sannai-Maruyama Site

The Sannai-Maruyama Site is located in the Aomori city of Aomori, Japan. Its approximate latitude and longitude are 40.8197° N, 140.7417° E. It is easily accessible by car or public transportation.

Visiting the Sannai-Maruyama Site

The Sannai-Maruyama Site is open daily from 9am to 5pm. Admission is 410 yen for adults and 80 yen for children. English-language audio guides are available for rent.

Visitors should plan to spend at least a few hours exploring the site, as there is much to see and learn. Comfortable shoes and weather-appropriate clothing are recommended, as much of the site is outdoors.


The Sannai-Maruyama Site is a fascinating glimpse into the lives of Japan's ancient Jomon people. Its well-preserved buildings and artifacts provide a unique window into prehistoric Japan, and its reconstructed village offers an immersive experience for visitors. If you're interested in Japanese history or archaeology, the Sannai-Maruyama Site is not to be missed.