Horaijima is a sandbank island made through erosion caused by the water of Arakawa River. It also has a promenade as a park.
Inside the park, you can see an S-shaped crustal fold that was formed due to the twisting of rocks deep underground.
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Kaneishi Aqueduct Bridge
This is an aqueduct bridge near Horaijima Park. In the autumn, it is a popular spot where visitors can enjoy a sweeping view of autumn leaves from the top of the bridge.
