Tsūjun Bridge
通潤橋
Japan's largest stone arch aqueduct, a National Treasure that discharges water from its center to clear sediment from internal pipes.
What it is
- A stone arch bridge and aqueduct completed in August 1854 in Yamato, Kumamoto.
- Japan's largest stone arch aqueduct, designated as a National Treasure in September 2023.
- Planned by official Yasunosuke Futa to carry water to the Shiraito Plateau.
- Constructed by the Taneyama stone masons using inverted siphon principles.
What to see
- A massive stone structure measuring 78 meters long and 20 meters high.
- Three stone pipes running across the top of the bridge to transport water.
- Water discharging from the bridge to clear sediment from the pipes.
- The nearby Mieru Terrace museum which provides information about the bridge.
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Tsūjun Bridge Open in Google Maps
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