Idojiri ruins

The Idojiri archaeological site spans across gentle slopes at altitudes between 800 and 1000 meters on the southern foothills of Mount Yatsugatake.

The archaeological site gained national recognition in 1966 when Japanese authorities designated it as a historic landmark following extensive excavations initiated in 1958.

The site contains approximately 2000 artifacts, including distinctive pottery vessels decorated with intricate patterns representing frogs, snakes, and lunar motifs from Middle Jomon period.

The Idojiri Archaeological Museum opens daily from 9:00 to 17:00, except Mondays and post-holiday days, with admission fees ranging from 150 yen for students to 300 yen for adults.

The excavated residences yielded twelve complete pottery vessels, with eleven bowl-shaped containers and nine deep pottery vessels used for cooking and storage purposes.

Location: Suwa County

GPS coordinates: 35.87769,138.27871

Latest update: March 4, 2025 23:27