Hamahara Dam

Overview

Hamahara Dam is a gravity dam built on the Gōno River in the Gōno River system in Shimane Prefecture, standing 19 meters high. It is operated by the Chugoku Electric Power Company for hydroelectric generation, with a catchment area of about 3,000 square kilometers.

Highlights

• ●A 19-meter-high gravity concrete dam on the Gōno River
• ●The dam crest measures 361.4 meters in length
• ●Sends water to the Akatsuka hydroelectric power plant operated by Chugoku Electric Power Company
• ●Generates up to 25,000 kilowatts of electricity

History

Built on the Gōno River within the Gōno River system, the dam was completed in 1953. It is a 19-meter-high gravity concrete dam managed by the Chugoku Electric Power Company. Water is sent from the dam to the company's Akatsuka hydroelectric power plant, generating up to 25,000 kilowatts of electricity. When full, the reservoir covers about 149 hectares and can store around 11,200 thousand cubic meters of water.

Map

35.0411, 132.5989 · Wikidata

Suggested itinerary

1. 1View the gravity concrete dam built on the Gōno River
2. 2Observe the dam body, 19 meters high with a 361.4-meter crest length
3. 3Consider how water is sent onward to the Akatsuka power plant
4. 4Learn about the dam's completion in 1953

Did you know?

💡 The Akatsuka power plant, supplied by Hamahara Dam, generates up to 25,000 kilowatts of electricity.

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