Overview
Terayama Dam was built on the Miya River in Nagai, Yaita City, Tochigi Prefecture. The Miya is a third-order tributary of the Naka River, and the dam serves both flood control and water supply. Its imposing embankment, 62.2 meters high and 260 meters long, is the main sight.
Highlights
- ●A multipurpose dam built on the Miya River
- ●An embankment 62.2 meters high and 260 meters long
- ●A reservoir holding about 2,550,000 cubic meters when full
- ●Mountain scenery in Nagai, Yaita City
History
Construction began in 1972 and was completed in 1984. As a multipurpose dam for flood control and water supply, its reservoir covers about 16 hectares when full and can store roughly 2,550,000 cubic meters of water.
Access
The dam is located in Nagai, Yaita City, Tochigi Prefecture. Set in the mountains around Yaita, it overlooks a reservoir spreading along the Miya River. Please confirm detailed routes via maps and official information.
Best season
Spring to early summer with dazzling fresh greenery, and autumn when the mountains turn color, are especially recommended. A walk along the reservoir during calm daytime hours lets you fully enjoy the scenery.
Map
36.8472, 139.8644 · Wikidata
Suggested itinerary
- 1Head toward Nagai in Yaita City
- 2Enjoy the reservoir view from the dam embankment
- 3Stroll through the nature along the Miya River
- 4Continue to sightseeing spots around Yaita
Did you know?
💡 The Miya River is a third-order tributary of the Naka River, and the dam's catchment area extends to 11.5 square kilometers.
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