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Sayama Pond

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Sayama Pond, Irrigation reservoir in Ōsakasayama, Japan.

Description

Sayama Pond is an irrigation reservoir in Ōsakasayama created by an earthen dam that collects water for agricultural use. Water flows outward through a network of channels to irrigate surrounding farmland.

History

The reservoir was originally built around 616 CE during Empress Suiko's reign. A Buddhist monk later undertook major improvements that influenced how Japan managed water systems.

Culture

The name refers to the water body's location and shape in the region. Today, it serves as a place where visitors can observe how ancient engineering principles shaped the landscape.

Practical

The site is best explored on foot to view the dam and surrounding landscape. A nearby museum displays archaeological finds from different construction periods and offers context for what you see.

Did you know?

Archaeologists discovered ancient wooden pipes and stone coffins beneath the north bank from different time periods. These findings reveal how the site was repeatedly rebuilt and improved over centuries.

Location
Height
18.5 m
Part of
100 Best Reservoirs in Japan
GPS coordinates
34.50333,135.54972
Latest update
December 7, 2025 09:27

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