小岩市川関所, Former checkpoint in Koiwa, Japan
The Koiwa-Ichikawa Sekisho controlled both land and water traffic along the Edo River, operating as a strategic inspection point between regions.
Established in 1616 by the Tokugawa shogunate, this checkpoint initially served as a fixed boat station before transforming into a formal inspection post during the Manji period.
The checkpoint required travelers to present special permits issued by village headmen, reflecting the strict travel regulations of feudal Japan.
The checkpoint site is located 50 meters south of the Keisei Railway Bridge on the Edogawa River embankment, accessible from Edogawa Station.
In May 1868, the checkpoint area became a battlefield between Imperial forces and former shogunate troops during the Koiwa-Ichikawa War.
GPS coordinates: 35.73472,139.90111
Latest update: March 7, 2025 23:06
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