Overview
Odo Dam is a 96-meter gravity concrete dam built on the Niyodo River, a first-class river flowing through Niyodogawa Town in Agawa District, Kochi Prefecture. It is directly managed by the Shikoku Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, and its reservoir is known as Lake Sagiri.
Highlights
- ●A 96-meter gravity concrete dam
- ●Lake Sagiri, the dam's reservoir
- ●A state-managed dam serving flood control and water supply for the Niyodo river system
- ●A reservoir covering about 201 hectares when full
History
Built as a specified multipurpose dam under Japan's Specified Multipurpose Dam Act, it was constructed for flood control on the Niyodo River system and for water supply within Kochi Prefecture. Construction began in 1966 and was completed in 1986.
Access
The dam is located within Niyodogawa Town and is best reached by car. Public transport options are limited, so it is advisable to check official sources for the latest access information before visiting.
Best season
When full, Lake Sagiri covers about 201 hectares and holds roughly 66 million cubic meters of water. The surrounding scenery can be enjoyed year-round, though a calmer season away from periods of high water flow is preferable for a visit.
Map
33.5453, 133.1158 · Wikidata
Suggested itinerary
- 1Head to Odo Dam from within Niyodogawa Town
- 2View the scale of the dam body up close
- 3Look out over the water from the shore of Lake Sagiri
- 4Enjoy the surrounding scenery along the Niyodo River
Did you know?
💡 The dam's catchment area extends across 688.9 square kilometers, underscoring its role in both flood control and water supply for the Niyodo river system.
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