What is the significance of the name "Irohazaka" Winding Road?

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.

Are there observation points on Irohazaka Winding Road?

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

Can I access Nikko’s famous attractions via the Irohazaka Winding Road?

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.

How long does it take to drive through the Irohazaka Winding Road?

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.

Nikko

Irohazaka Winding Road

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Last updated Apr 26, 2026

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.

Overview

Address

Hosoomachi, Nikko, Tochigi 321-1445, Japan

Places & attractions near Irohazaka Winding Road

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

A winding dirt path lined with moss and greenery runs through a dense forest of tall trees, with stone walls on the left and a canopy of lush foliage overhead.

Cryptomeria Avenue

Ashio Copper Mine Sightseeing, Nikko

Yumoto Onsen

Places & attractions near Irohazaka Winding Road

Kinugawa River Boat Tour

Cryptomeria Avenue

Ashio Copper Mine Sightseeing, Nikko

Yumoto Onsen

Frequently Asked Questions

Traveler reviews

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!