National Road 152
Route 152, connecting Suwa in Nagano Prefecture to Hamamatsu in Shizuoka Prefecture, is a challenging yet rewarding route for cyclists seeking stunning scenery and a sense of adventure. Known as the “Three Passes Route,” it includes Jizo Pass, Bunkui Pass, and Hyogoshi Pass, offering a mix of steep climbs and thrilling descents.
The route winds through the Southern Alps, passing quiet mountain villages, serene valleys, and dense forests. Along the way, cyclists can enjoy panoramic views, visit local shrines, and relax at roadside hot springs. Route 152 is perfect for experienced riders looking to immerse themselves in Japan’s rugged natural beauty and rural charm.
The Route
The route stays in the mountains and consequently, traffic is effectively zero along the mountainous part of the route (except the Northern Pass with has some but not much traffic)
The Passes
Bunkui Pass
At the summit, cyclists can enjoy a well-deserved rest while taking in the breathtaking vistas. Bunkui Pass is a perfect destination for those looking to escape the crowds and immerse themselves in the rugged charm of Japan’s mountain landscapes.
Jizo Pass
Access to the Shirabiso Highlands (Kogen) is from near the peak of Jizo pass.
Hyogoshi Pass
While strictly not part of Route 152, in this section Route 152 is incomplete and a “dotted line national rode” which is a walking path through the forest and over the Aokuzure Pass which is impassable to both cars and bicycles. All traffic is led onto the forestry road around route 152.
Things to do
Shimoguri colony
Shirabiso Kogen
Food
Getting there and away
Lake Suwa
On the Chuo main line about 2.5 hours from Shinjuku using the Azusa express.
Hamamatsu or Kakegawa
Both are on the Tokkaido Shinkansen providing easy assess.
Accomodation
Route 152 from Suwa to Hamamatsu is likely too long for most cyclists to complete in one day. There are some accomodations in the Hiraoka area (between the Jizo and Hyogoshi Passes)