The excavation site preserves traces of a 'living floor' from 20,000 years ago, including the specific locations where humans sat to work.
Analysis of fossilized plant remains revealed the site was once a forest dominated by spruce and larch trees, a much colder climate than modern-day Sendai.
The preservation process involves keeping the earth at a constant humidity level to prevent the rapid decay of organic matter exposed to air.
The museum won the Architectural Institute of Japan Prize for its innovative design that merges scientific preservation with public accessibility.
Evidence of repeated fire usage at the site suggests it was a recurring base camp for Paleolithic groups over many generations.
The Sendai City Tomizawa Site Museum is an on-site museum constructed directly over the preserved remains of a 20,000-year-old Paleolithic campsite. The site was discovered in 1987 during a residential land development project, revealing a rare, well-preserved living floor from the Late Paleolithic period. Visitors can observe actual fossilized tree stumps, fire pits, and discarded stone tools in their original stratigraphic positions. The facility utilizes a massive glass-walled structure to protect the fragile excavation site while allowing natural light to penetrate the display. The museum displays a comprehensive collection of unearthed stone artifacts, including blades, points, and scrapers. Educational exhibits explain how researchers utilized high-resolution analysis of microscopic plant remains to reconstruct the ancient forest environment. The site is recognized as a Significant Historical Site by the Japanese government. Its design serves to minimize the impact on the delicate earth while providing a window into the daily lives of ancient hunters.
The elevated observation deck offering a full, panoramic view of the excavated Paleolithic living floor.
Use the audio guide or English-language brochures available at the entrance for context on the complex archaeological strata.
Allocate extra time to walk the outdoor promenade surrounding the museum, which features vegetation similar to the Paleolithic forest.
Check the museum's website for interactive workshop schedules if visiting on weekends.
Avoid rushing through the initial gallery, as it provides the necessary geological context to understand the excavated site below.
Closed on Mondays and the day following public holidays; also closed during year-end/new-year holidays.
Do not touch the excavated soil or artifact displays; flash photography is strictly prohibited to protect light-sensitive materials.
