Maekawa Dam

Overview

Maekawa Dam is a rockfill dam 50 meters high, built on a tributary of the Maekawa River within the Mogami River system in Kaminoyama, Yamagata Prefecture. It was constructed with national subsidy for flood control of the Maekawa and the merging Sugawa rivers, and is operated by the prefecture. Its crest length reaches 265.5 meters.

Highlights

• ●A rockfill dam 50 m high with a crest 265.5 m long
• ●A subsidized flood-control dam for the Maekawa and Sugawa rivers
• ●An off-stream storage system diverting floodwater via a conduit
• ●Views of the surrounding natural scenery from the reservoir

History

The dam was built with national subsidy to regulate flooding of the Maekawa River and the merging Sugawa River. Construction began in 1971 and was completed in 1982 as a prefecture-operated flood-control dam.

Map

38.1247, 140.2329 · Wikidata

Suggested itinerary

1. 1Head to the dam from a nearby parking area
2. 2Walk the crest and view the 50-meter-high rockfill dam
3. 3Take in the reservoir and the encircling mountains
4. 4Check the off-stream storage mechanism on interpretive panels

Did you know?

💡 The reservoir formed by the dam has no official name, though it is sometimes referred to as Lake Tadagawa in some media.

Nearby spots