Overview
The Oi River is a first-class river running through Shizuoka Prefecture for 168 km, forming the main stream of the Oi River system. It rises at Mount Aino in the Southern Alps, flows south between the Akaishi and Shirane ranges, and empties into Suruga Bay. Its course is dotted with highlights such as the steam locomotives of the Oigawa Railway, the history of the old on-foot river crossing, and the scenic Sumatakyo gorge.
Highlights
- ●A riverside journey aboard the Oigawa Railway steam locomotive
- ●The scenic upstream gorge of Sumatakyo
- ●The history of the old on-foot river crossing
- ●The majestic flow emptying into Suruga Bay
History
As the main stream of the first-class Oi River system, it has long nourished Shizuoka Prefecture. In the Edo period it was a notorious hard point of the Tokaido road, crossed on the shoulders of porters because there was neither bridge nor ferry. Its drainage basin spans roughly 1,280 square kilometers.
Access
The river runs north to south through Shizuoka Prefecture, rising at Mount Aino in the Southern Alps and emptying into Suruga Bay. Because various sightseeing spots are scattered along its course, please check maps and official information for routes and transport to your destination.
Best season
Spring to early summer, when the fresh greenery dazzles, and autumn, when the leaves turn, are especially beautiful. If you plan to combine gorge sightseeing upstream with a steam-locomotive trip, choose a season with settled weather.
Map
34.7667, 138.2923 · Wikidata
Suggested itinerary
- 1Enjoy a steam-locomotive trip on the Oigawa Railway
- 2Head upstream to the Sumatakyo gorge
- 3Stroll along the gorge and soak up nature
- 4Relax at a riverside hot spring or with local cuisine
Did you know?
💡 The river stretches 168 km with a drainage basin of about 1,280 square kilometers, and its source lies at Mount Aino in the Southern Alps.
Nearby spots
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