Route Overview
The Kamikōchi Norikura Forest Road (officially “Nagawa-Azumino Line”) is a scenic mountain road stretching about 35.1 km from Nagawa Onsen (Kurokawado) in Matsumoto City, Nagano Prefecture to Azumi (Nakanoyu).
The road is divided into three sections:
- Section A: Nagawa Onsen to Norikura Kōgen (~15.3 km)
- Section B: Norikura Kōgen to Shirahone Onsen (~6.7 km)
- Section C: Shirahone Onsen to Nakanoyu (~13.1 km)
Note: Section C is currently closed due to a collapsed bridge caused by an avalanche.
Since 2008, the road has been toll-free, and no payment is required to drive it.
Recommended Route Section
Sections A and B are open and offer a beautiful mountain drive with panoramic views of Mt. Norikura and the surrounding valleys.
The area is especially breathtaking during the autumn foliage season (mid to late October).
Some parts of the road are narrow and winding, so it’s best to drive slowly and enjoy the scenery.
Road Conditions & Safety
The entire road is paved, with many tunnels, steep slopes, and sharp curves, typical of a mountain route.
While Sections A and B are passable, Section C remains closed due to bridge damage.
There are areas prone to falling rocks, and it’s advised to avoid driving during heavy rain or at night.
The road is completely closed during winter (November to April) due to snow and ice.
Recommended Stops
- Michi-no-Eki Nagawa (Roadside Station): Known for local specialty Tōji soba
- Norikura Kōgen: Enjoy scenic spots like Sanbon-daki Falls and Ushidome Pond
- Shirahone Onsen: A secluded hot spring with milky-white water; day-use baths available
- Nakanoyu Onsen: A quiet inn area near the Kamikōchi entrance
Note: Private vehicles are not allowed to enter Kamikōchi. Please use shuttle buses or taxis from Sawando Parking Area.
Local Food
The Nagawa area is famous for handmade soba noodles, especially Tōji soba, a unique local hot pot dish.
In Shirahone Onsen, visitors can enjoy mountain vegetables and river fish at local inns and restaurants.
Toll & Access Info
- Toll: Free (no fee since 2008)
- Open Sections: Sections A & B only (Section C is closed)
- Private Car Restrictions: Driving is allowed in Norikura and Shirahone Onsen, but private cars are not allowed in Kamikōchi. Use shuttle buses from Sawando.
- Access: About 60 minutes by car from Matsumoto City to Nagawa Onsen
Best Season & Weather
The best time to visit is June to October.
In summer, the high elevation offers cool temperatures, and in October, vibrant autumn colors cover the mountains.
Even in summer, mornings and evenings can be chilly, so bring warm clothes.
The road is closed in winter due to snow.
Touring / Drive Plan Example
Nature Discovery Course (Starting from Matsumoto)
Matsumoto → Nagawa Onsen → Drive through Sections A & B → Explore Norikura Kōgen → Lunch & soak at Shirahone Onsen → Return to Nagawa
Note: Section C is closed, so access to Kamikōchi requires a detour and shuttle use.