Aoshita No.1 Dam

Overview

Aoshita No.1 Dam is a gravity dam built on the Aoshita River in the Natori River system, in Aoba-ku, Sendai, Miyagi Prefecture. Construction began in 1931 and was completed in 1933, and the dam stands about 17.4 meters tall. Used for water supply, it can store roughly 114,000 cubic meters of water when full. Set in a green mountain valley, it is a piece of civil-engineering heritage that has helped supply Sendai's drinking water.

Highlights

• ●A gravity dam on the Aoshita River in the Natori system
• ●Prewar history: begun in 1931, completed in 1933
• ●A compact dam body about 17.4 meters high
• ●A Sendai water-source facility supplying drinking water

History

Construction started in 1931 and was completed in 1933. This gravity dam, about 17.4 meters high, was built on the Aoshita River in the Natori River system. It serves for water supply, with a catchment area of about 20 square kilometers and a storage capacity of roughly 114,000 cubic meters. As one of the early water-source facilities supporting Sendai's waterworks, it conveys the story of water-supply development in the early Shōwa era. For details such as whether visits are permitted, please refer to official sources.

Map

38.2983, 140.6947 · Wikidata

Suggested itinerary

1. 1Follow the valley road along the Aoshita River to the dam
2. 2Take in the view of the gravity dam body and reservoir
3. 3Reflect on early-Shōwa waterworks history
4. 4Stroll the lush surrounding nature before heading back

Did you know?

💡 A prewar dam begun in 1931 and finished in 1933, it is compact at 17.4 meters tall yet holds historical value as a facility that supported Sendai's water supply in the early Shōwa period. Gathering water from a catchment of about 20 square kilometers, it has quietly underpinned the daily life of the city's residents.

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