The world’s longest avenue is the Nikko Cryptomeria Avenue comprising three parts converging on Imaichi City in the Tochigi Prefecture of Japan, with a total length of 35.41 km (22 miles). Planted in 1628–48, over 13,500 of its original 200,000 Japanese cedar (Cryptomeria japonica) trees survive, at an average height of 27 m (88 ft 6 in).

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Email: kocho@pref.tochigi.jp