Located in Nikko City, Tochigi, the Unryu Valley has completely frozen waterfalls and vertical surfaces every year from late January to mid-February every year, covering the area with icefalls. Ice walls, mainly frozen waterfalls, from dozens of meters to over 100 meters in height cover the valley with ice walls, covering the area in magical scenery and giving it the nickname “Temple of Ice.” Many visitors come here for snow trekking and ice climbing, and you can experience beautiful, grand natural forms here unique to winter in Nikko.

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