Kokan Bridge (Kōkankyō) – Nationally Designated Important Cultural Property
Kokan Bridge stands between Mie-machi in Bungoono City and Usuki in Oita Prefecture, Kyushu.
The name Kokan means "a rainbow crossing a ravine," and true to its name it is a large, beautiful arched stone bridge spanning a mountain stream.
Built in the late Edo period, it was erected on the road connecting Mie town and the castle town of Usuki.
Because the river runs through a gorge, people of the time had to descend steep slopes, cross the river, and climb steep slopes again, enduring great hardship. To overcome this difficulty, wealthy merchants from Usuki and Mie pooled funds to build the bridge.
This sturdy and elegant stone bridge is designated as an Important Cultural Property of Japan.
As an arched stone bridge from the Edo period, it is the largest in Oita Prefecture, with a span of 25.4 meters.
Kokan Bridge was built where welded tuff from Aso pyroclastic flows had been deeply eroded by the river.

Location: between Sugo, Mie-machi, Bungoono City and Nishihata, Notsu-machi, Usuki City, Oita Prefecture
About a 35-minute drive from Oita Mera IC
About a 4-minute drive from JR Sugaeo Station

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About a 3-hour drive from JR Hakata Station, Fukuoka Prefecture
About a 2-hour drive from JR Kumamoto Station, Kumamoto Prefecture
About a 1 hour 20 minute drive from JR Beppu Station, Oita Prefecture
About a 1 hour 20 minute drive from JR Yufuin Station, Oita Prefecture

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