Kōnuma Waterway, Irrigation canal in Saitama, Japan.
The Kōnuma Waterway is an irrigation canal in Saitama Prefecture that transports water through a network of regulating structures to agricultural zones. The system channels water across the landscape to support farming operations.
The waterway was completed in 1994 as a major advancement in regional water management. Its construction enabled more reliable water supply to farming areas across the prefecture.
The waterway represents Japanese engineering excellence in agricultural infrastructure, supporting traditional rice cultivation methods across thousands of hectares.
The canal is accessible from public roads and pathways where visitors can observe the system in operation. The best times to visit are spring and fall, when water flows are most active.
The system uses a 370-meter siphon to transport water across varying ground elevations. This engineering feature allows steady water flow regardless of terrain changes.
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