01 / National Treasure
Stone tools found below an obsidian sourceare now a National Treasure.
The Agency for Cultural Affairs describes the mountain above the site as Japan's largest-scale obsidian source. At the Shirataki Sites at its foot, about 6.69 million artifacts, roughly 12 tons, came from 23 sites; 1,965 of them were designated a National Treasure in 2023.
- About 6.69 million artifacts from 23 sites
- 1,965 items in the National Treasure
- Designated June 27, 2023

