The 48 hairpin turns of Irohazaka is Japan's ultimate drive.
If you fancy a motoring challenge, you must try Irohazaka - a pair of staggeringly scenic roads each with 48 hairpin bends. Built in 1954 and 1965 the roads connect the UNESCO temples of Nikko with the higher plateau of Lake Chuzenji and Nikko National Park. One road is for upwards traffic, while the other is for vehicles travelling back down.
The number of bends, 48, also corresponds with the number of syllables in Japanese - and the name i-ro-ha refers to the first three sounds in the old Japanese alphabet system while zaka means slope.
The road is particularly beautiful from late October to early November when the autumn colours appear. This does make it an extremely popular drive at this time of year and there can be long traffic queues so InsideJapan's top tip is to avoid national holidays and weekends in October and November, and to set off as early as possible in the morning.
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