Sagami River Bridge ruins, Ancient bridge remains in Chigasaki, Japan.
The archaeological site contains ten wooden bridge pillars arranged in four rows with three columns each, spaced two meters apart within each row.
The bridge pillars emerged from rice fields during the 1923 Great Kanto Earthquake due to soil liquefaction, revealing structures dating back to the Kamakura period.
Research indicates the bridge was constructed in 1198 by Shigenari Inage, a retainer of Minamoto no Yoritomo, as a memorial to his deceased wife.
Visitors can reach the site by taking a bus from Chigasaki Station or Hiratsuka Station to the Imajuku stop, followed by a five-minute walk.
The site holds dual recognition as both a National Historic Site and Natural Monument, marking the first designation for earthquake liquefaction evidence in Japan.
GPS coordinates: 35.33217,139.38428
Latest update: March 3, 2025 19:40
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