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Shinagawa, Tokyo, Japan

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A winding mountain road with sharp curves cuts through a forest of autumn-colored trees, seen from above. The foliage displays shades of orange, red, and yellow, surrounding the snaking asphalt route.
A winding mountain road snakes through a forest filled with vibrant autumn foliage in shades of red, orange, and yellow. Several cars travel along the curves, viewed from above.
A winding mountain road and a tall waterfall surrounded by vibrant autumn trees in shades of yellow, orange, and green. The scene is set in a forested valley.
A red car drives around a sharp curve on a paved mountain road, surrounded by vibrant autumn trees with yellow, orange, and green foliage. The scene is sunny and bright.
A winding road curves through a hilly landscape with green and autumn-colored trees on both sides, and painted white road markings. The sky is overcast, and the roadside grass is light brown.
Nikko

Irohazaka Winding Road

4.4 (193)Scenic SpotPoint Of InterestEstablishment

Irohazaka Winding Road is a famous mountain road in Nikko, known for its series of sharp hairpin turns. This road connects the lower Nikko area to the higher elevations of Oku-Nikko and Lake Chuzenji. The name "Irohazaka" comes from the old Japanese alphabet, "Iroha," and the 48 curves on the road represent each syllable of that alphabet.

Built during the Edo period, the road was originally used by pilgrims traveling to the sacred sites in Nikko. Today, it is a popular route for drivers and motorcyclists seeking an exhilarating experience. The road splits into two: one for ascending and the other for descending, ensuring a smooth flow of traffic.

Irohazaka Winding Road is stunning in autumn, with vibrant leaves creating a colorful canopy. Each curve offers a new perspective, with breathtaking views of the surrounding mountains and valleys. The road’s twists and turns demand attention, making it a thrilling journey for those who traverse it.



The area

Address
Hosoomachi, Nikko, Tochigi 321-1445, Japan

Top ways to experience Irohazaka Winding Road

8 hours
Nikko Unveiled: Your Custom Day Tour with Local Guide & Private Ride
From $896 /person
1 day
Exclusive Full-Day Nikko Private Tour with English-Speaking Driver
From $499 /person

What other travelers are saying about Irohazaka Winding Road

Beautiful stretch of scenery all along the curvature of this road. The fall foliage was spectacular throughout the whole drive. Plenty of scenic spots to pull over and enjoy on your route. Highly recommend!

Nearby attractions to see

A row of moss-covered stone statues, each dressed in red hats and bibs, lines a sunlit forest path. The focus is on the nearest statue, with others fading into the distance.

Kanmangafuchi Abyss

A tall waterfall cascades down a rocky cliff surrounded by vibrant autumn trees with red, orange, and yellow leaves, under a bright sunlit sky.

Kegon Waterfall (Kegon no taki)

A river winds through a forested canyon, with several wooden boats carrying people gently floating downstream between rocky banks and lush green trees.

Kinugawa River Boat Tour

Nearby attractions to see

A row of moss-covered stone statues, each dressed in red hats and bibs, lines a sunlit forest path. The focus is on the nearest statue, with others fading into the distance.

Kanmangafuchi Abyss

A tall waterfall cascades down a rocky cliff surrounded by vibrant autumn trees with red, orange, and yellow leaves, under a bright sunlit sky.

Kegon Waterfall (Kegon no taki)

A river winds through a forested canyon, with several wooden boats carrying people gently floating downstream between rocky banks and lush green trees.

Kinugawa River Boat Tour


More about Irohazaka Winding Road from our blog

Frequently Asked Questions

The name "Irohazaka" comes from the Japanese syllabary "Iroha," which was used as a form of alphabet order in ancient Japan. The road originally had 48 hairpin turns, each named after one of the syllables in the Iroha poem, symbolizing the progression through the alphabet.

Yes, popular spots like Akechidaira Observatory provide views of Kegon Falls and Lake Chuzenji.

Yes, the Irohazaka Winding Road is the primary route to access several of Nikko’s key attractions, including Kegon Falls, Lake Chuzenji, and the Oku-Nikko area. The road connects the lower town of Nikko to the mountainous region above.

The drive through the Irohazaka Winding Road typically takes about 30 to 45 minutes, depending on traffic and how many stops you make at observation points.
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10 hours
Exploring Nikko's Natural Splendors: A Private Full-Day Tour with English-Speaking Guide
From $548 /group
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Gus Chiggins
Oct 7, 2025
Stunning and Awesome View from the top.
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DJVasu devan
Oct 21, 2025
Nice stop and great view in your way up the mountain.
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H. Jaber
Aug 23, 2023
Not much to say other than the fact that in fall this spot must be mesmerising….
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Andrea Valacchi
Aug 20, 2024
If you like Initial D then you must love this place
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Hideo Kuze
Nov 29, 2023
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