Konsei Road (National Route 120) is a scenic mountain route that connects Nikko City in Tochigi Prefecture with Katashina Village in Gunma Prefecture. The road stretches about 30 km through the beautiful landscape of Nikko National Park, crossing the Konsei Pass at an elevation of over 1,800 meters. It’s a popular route for riders and drivers, especially from spring to autumn.
Recommended Section
Yunoko (Tochigi) → Konsei Pass → Marunuma Kogen (Gunma)
- A winding mountain road with elevation changes and thrilling curves.
- The view from Konsei Pass includes Mt. Nantai and Mt. Nikko-Shirane.
- Rest stops along the way offer panoramic scenery.
Road Conditions & Safety
- Fully paved, two lanes, and in good condition.
- Watch for sharp curves and occasional falling rocks near the pass.
- Even in summer, it can be cold at high altitudes. Warm clothing is advised.
- Closed in winter (early December to late April). Check in advance.
Recommended Stops
- Yunoko & Yumoto Onsen: A peaceful hot spring area, perfect after a long ride.
- Konsei Pass Viewpoint: At 1,843 meters, offering wide scenic views.
- Marunuma Kogen: Ride a gondola to 2,000 meters. Popular for summer hiking and autumn leaves.
Local Food
- Enjoy mountain vegetables and handmade soba around Yumoto Onsen.
- On the Gunma side, try grilled river fish and maitake mushroom tempura.
- Roadside Station Oze Katashina offers local produce and sweets.
Fees & Access
- Konsei Road is toll-free.
- About 30 minutes from Nikko’s Kiyotaki IC (via Nikko-Utsunomiya Road).
- About 40 minutes from Numata IC (via Kan-Etsu Expressway).
- Gas stations are limited—refuel early.
Best Season & Weather
- Best time to visit: May to October
- May–June: Fresh greenery and remaining snow
- September–October: Stunning autumn colors
- Cold mornings and evenings—bring extra layers.
Touring Sample Plan
Day Trip (from Utsunomiya)
Utsunomiya → Nikko Irohazaka → Yumoto Onsen → Konsei Road → Marunuma Kogen → Numata IC → Utsunomiya (approx. 6–7 hours)