Imō Wetland, Natural monument wetland in Toyohashi, Japan
Imō Wetland is a protected raised bog in Toyohashi where wooden boardwalks wind through the landscape. Water continuously flows from underground springs fed by the Yumihari Mountains, keeping the terrain moist and lush throughout the year.
The site received designation as a natural monument of Aichi Prefecture in 1992, followed by national monument status in 2021. These designations demonstrate decades of recognition for its ecological importance.
The name reflects the local water-rich landscape, and the site draws visitors who seek direct contact with nature. People walk the wooden paths while watching birds and observing plants that thrive year-round in the moist environment.
The site is accessible by bus from Toyohashi Station, followed by a short walk to the entrance. There are no food or beverage facilities nearby, so bring refreshments if you plan to spend time there.
Water from underground springs in the mountain system allows plant species from very different climate zones to grow side by side. This mixing of northern and southern species creates a botanically unusual environment that you will not find elsewhere in the region.
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