Overview
Ikadatsu Dam is a dam on the Niyodo River system in Nodokoyama, Ochi Town, Takaoka District, Kochi Prefecture, also known as Nodokoyama Dam. It is operated by Shikoku Electric Power Company for hydroelectric generation.
Highlights
- ●A 25.5-meter-tall gravity concrete dam
- ●A dam wall stretching 141.7 meters in length
- ●Feeds the Niyodogawa No. 3 Power Plant, generating up to 10,000 kilowatts
- ●Also known as Nodokoyama Dam, operated by Shikoku Electric Power
History
Completed in 1958, the dam is a 25.5-meter-tall gravity concrete structure built on the Niyodo River. It feeds water to Shikoku Electric Power's Niyodogawa No. 3 Power Plant, and the facility has operated as part of a system capable of generating up to 10,000 kilowatts of electricity.
Access
The dam is located in Nodokoyama, Ochi Town, Takaoka District, Kochi Prefecture, in a mountainous river valley area. Visitors should check road conditions and viewing access in advance through the local municipality or Shikoku Electric Power's official information.
Best season
There is no specific best season tied to viewing the dam itself, but since the surroundings are a mountain valley, road conditions can be affected by weather or high water. Checking current weather information before visiting is recommended.
Map
33.5625, 133.2125 · Wikidata
Suggested itinerary
- 1Head to Nodokoyama in Ochi Town
- 2View the dam structure and its reservoir
- 3Learn about the Niyodo River's hydroelectric power system
- 4Enjoy the valley scenery along the Niyodo River
Did you know?
💡 The dam stands 25.5 meters tall and 141.7 meters long as a gravity concrete structure, sending water to the Niyodogawa No. 3 Power Plant to generate up to 10,000 kilowatts. It is also known by the alternate name Nodokoyama Dam.
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