Iroha-zaka Slope
いろは坂
A scenic road with 48 curves connecting Nikko town with Lake Chuzenji and Oku-Nikko. Divided into a one-way, uphill-only "Second Iroha-zaka" and a downhill-only "First Iroha-zaka," this mountain road is known as one of Japan's premier autumn-leaf drive courses.
48 curves named for the "iroha" poem
With 48 curves, the road is named "Iroha-zaka" after the 48-character "iroha" poem. The uphill route (Second Iroha-zaka, 20 curves total) and downhill route (First Iroha-zaka, 28 curves total) are separated, climbing an elevation difference of about 440 meters in one go.
Watch for heavy congestion during the autumn-leaf season
The foliage typically peaks from mid-to-late October, when the entire slope can become congested. From the Akechidaira viewpoint, visitors can take in the autumn leaves covering the mountainside, including the slope itself, drawing many tourists and photographers. An early-morning drive is recommended to avoid traffic.
Travel by public transportation
Since walking is not permitted, travel requires either a Tobu Bus route service or a private car. If you're not confident driving or want to avoid traffic, taking the bus and enjoying the autumn leaves through the window is recommended.
Seasonal Highlights
🌸 Spring (Mar-May)
The fresh greenery is beautiful, and the road is relatively uncrowded during this season.
🌿 Summer (Jun-Aug)
A season well suited to a drive that doubles as a retreat from the heat.
🍁 Autumn (Sep-Nov)
As a famous autumn-leaf destination, the road becomes crowded enough for heavy congestion.
❄️ Winter (Dec-Feb)
Studless tires are essential when there's snow or ice; the road may be closed at times.
Visit Tips
- Suggested duration
- About 20-30 minutes to just drive through (over an hour during congestion)
- Crowd levels
- Especially heavy congestion on weekends during the autumn-leaf season
- Best time to visit
- Early morning on a weekday during the autumn-leaf season is recommended; consider taking the bus too
| Address | Chugushi, Nikko, Tochigi |
|---|---|
| Hours | Open for travel at all times (may be restricted in winter due to snow or ice) |
| Admission | Free (no toll) |
| Official Website | Visit official website |
Access
- 0 min walk from Tobu-Nikko Station (Travel by route bus or private car (walking is not permitted))