Irohazaka Slope: 48 Curves Through Nikko's Autumn Colors

Mountain Drive with 48 Curves

Irohazaka is a famous mountain road through Nikko's alpine terrain, with 48 curves said to correspond to the 48 characters of the iroha alphabet. It is divided into a one-way downhill First Irohazaka and uphill Second Irohazaka.

Spectacular Autumn Foliage

Driving through the mountain slopes covered in red, orange, and yellow autumn foliage from mid-October to early November is an extraordinary experience. Observation points offer panoramic views of Nikko's mountains and colored forests.

Lake Chuzenji and Inner Nikko

At the top of Irohazaka lies Lake Chuzenji and the scenic Inner Nikko area. Kegon Falls, Ryuzu Falls, and Lake Yu are among the many attractions accessible on a day trip.