Hyōtanjima, River island in Tokushima, Japan
Hyōtanjima is a river island located in central Tokushima City, nestled between the Shinmachi and Suketo Rivers with a peak height of about 62 meters. The island rises as a forested area surrounded by water channels that flow through the urban landscape.
The island took shape in the early 1900s as Tokushima City expanded around the river network. It became incorporated into the city's distinctive water system, which ties together numerous waterways in an intricate pattern.
The Shinmachi River Preservation Association leads initiatives to maintain water quality and organize boat tours, supporting the local maritime heritage.
The best way to experience the island is by taking a boat tour from Ryogoku Bridge, which takes about thirty minutes. Tours run regularly throughout the day, and going early helps you avoid crowds and enjoy clearer views.
During boat rides, you can see the ruins of Tokushima Castle perched on Shiroyama Mountain across the river. This sight connects the island's present-day landscape to the city's feudal past in a single view.
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