Overview
Miwa Dam is a gravity concrete dam on the Mibugawa River, part of the Tenryu River system, in Ina City, Nagano Prefecture. Standing 69.1 meters high, it was completed in 1959 as a multipurpose dam directly managed by the Ministry of Land, Infrastructure, Transport and Tourism.
Highlights
- ●A 69.1-meter-high gravity concrete dam
- ●A multipurpose dam serving flood control, irrigation, and hydropower generation
- ●Directly managed by Japan's Ministry of Land, Infrastructure, Transport and Tourism
- ●Its reservoir, Lake Miwa, is listed among Japan's 100 Selected Dam Reservoirs
History
Miwa Dam was completed in 1959 on the Mibugawa River, part of the Tenryu River system. It functions as a specified multipurpose dam directly managed by the Ministry of Land, Infrastructure, Transport and Tourism, serving flood control, irrigation, and hydropower generation.
Access
The dam is located in Ina City, Nagano Prefecture, on the Mibugawa River within the Tenryu River system.
Best season
The reservoir, Lake Miwa, can be visited throughout the year.
Map
35.8142, 138.0792 · Wikidata
Suggested itinerary
- 1View the gravity concrete dam built on the Mibugawa River
- 2Take in the 69.1-meter-high dam structure
- 3Learn about its roles in flood control, irrigation, and hydropower
- 4Visit Lake Miwa, listed among Japan's 100 Selected Dam Reservoirs
Did you know?
💡 The reservoir created by Miwa Dam is named Lake Miwa and is included among Japan's 100 Selected Dam Reservoirs.
Nearby spots
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