Yokotone Lock, Navigation lock in Inashiki, Japan
The Yokotone Lock connects two waterways with different water levels, enabling vessels to navigate through a controlled water chamber system.
Built in 1921, this water management structure marked a significant advancement in Japanese maritime infrastructure during the early 20th century.
The lock represents Japanese engineering excellence and received designation as an Important Cultural Property for its technical and historical value.
Boats enter the lock chamber one at a time, and water levels adjust gradually over several minutes for safe passage.
The lock maintains its original mechanical components from 1921 while continuing daily operations for maritime traffic.
Location: Inashiki
Inception: March 31, 1921
GPS coordinates: 35.91183,140.49455
Latest update: March 21, 2025 17:16
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