長崎街道(Nagasaki Kaido) overview: the Sugar Road

Some international cyclists might already know 長崎街道(Nagasaki Kaido highway) as the “Sugar Road”. 

Nagasaki Kaido highway was a major route that connected northeast Kyushu with western parts of Kyushu island. It was considered as a Wakikaido, a sub-ranked highway. This just means that Tokugawa government did not directly involve in development and maintenance. This was true in very early stage of Edo period. Edo shogunate eventually took over management of major wakikaido routes. Nagasaki Kaido, along with San’yodo/Saigoku Kaido, were examples. 

Historically, Nagasaki Kaido was one of the most important highways in Japan, because merchants used this route for international businesses in Nagasaki. In Edo period, especially during “Sakoku” national policy of isolation(1639-1854), Nagasaki was the only open port of international businesses and diplomacy with Dutch empire and Chinese dynasties.(Note that Nagasaki was not the only port of international businesses) Sugars were imported from abroad and transported via this route as well as sea routes, which contributed to sweets culture of western and northern Kyushu. Thus is why this route is called the Sugar Road. Indeed, this is a component of Japan Heritage, certified by the Agency of Cultural Affairs Japan. 

I will eventually add links of each articles next to inn town names. Plus, when I find unofficial inn towns and notable places on the way, I will add extra articles. 

Fukuoka prefecture: 

小倉常盤橋(Kokura-Tokiwabashi in Kitakyushu city): 

黒崎宿(Kurosaki inn town in Kitakyushu city):

木屋瀬宿(Koyanose inn town of Kitakyushu city): 

飯塚宿(Iizuka inn town of Iizuka city): 

内野宿(Uchino inn town of Iizuka city): 

山家宿(Yamae inn town in Chikushino city): 

原田宿(Haruda inn town in Chikushino city): 


Saga prefecture: 

田代宿(Tashiro inn town in Tosu city): 

轟木宿(Todoroki inn town in Tosu city): 

中原宿(Nakabaru inn town in Miyaki town): 

神埼宿(Kanzaki inn town in Kanzaki city):

境原宿(Sakaibaru inn town in Kansai city):

佐賀宿(Saga inn town in Saga city):

牛津宿(Ushizu inn town in Ogi city):

小田宿(Oda inn town in Kohoku town):

北方宿(Kitakata inn town in Takeo city):

塚崎宿(Tsukasaki inn town in Takeo city): 

嬉野宿(Ureshino inn town in Ureshino city):


Nagasaki prefecture:

彼杵宿(Sonogi inn town in Higashi Sonogi town):

松原宿(Matsubara inn town in Omura city): 

大村宿(Omura inn town in Omura city):

永昌宿(Eishou inn town in Isahaya city):

矢上宿(Yagami inn town in Nagasaki city): 

日見宿(Himi inn town in Nagasaki city):

長崎(Nagasaki city) :the terminal. 


塩田道(Shiotado) sub-route which connects Kitakata and Ureshino:

鳴瀬宿(Naruse inn town in Takeo city):

塩田宿(Shiota inn town in Ureshino city): 

The terminal of Nagasaki Kaido; Nagasaki. 
(Photo taken by the author in October 2025)











References: 

Nagasaki Kaido. Wikipedia.com.(see both English and Japanese versions) https://en.wikipedia.org/wiki/Nagasaki_Kaid%C5%8D (Accessed in 3/29/2026)

Sugar Road Map. Sugar Road Liaison Counsil.(In Japanese: シュガーロードマップ シュガーロード連絡協議会)  https://sugar-road.net/sugarroad-map/?fbclid=IwZXh0bgNhZW0CMTEAc3J0YwZhcHBfaWQPNDA5OTYyNjIzMDg1NjA5AAEeZ292EYrQCnjPkKUQhDF-SAqCIAmYvTwH8GV-h-6xwucTidk1jAfalvwfpOQ_aem_kz40QSEECNSvZsr7Fsj4_Q (Accessed in 3/29/2026)

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