Kejyonuma Dam (Japanese: 化女沼ダム) is an earthen dam in the city of Ōsaki, Miyagi Prefecture, Japan, completed in 1995.[2] The dam crosses the Tajiri River, a branch of the Kitakami River and utilises the basin of a pre-existing natural lake.

Kejyonuma Dam
Location of Kejyonuma Dam in Miyagi Prefecture Show map of Miyagi Prefecture Kejyonuma Dam (Japan) Show map of Japan
Location	Ōsaki, Miyagi, Japan
Coordinates	38°37′36″N 140°57′50″E
Construction began	1980
Opening date	1995
Owner(s)	Miyagi Prefecture
Dam and spillways
Type of dam	Earthen dam
Height	24 meters
Length	260 meters
Reservoir
Creates	Lake Kejyonuma
Total capacity	2,880,000 sq m
Catchment area	9.93 sq km
Surface area	65 hectares
Ramsar Wetland
Official name	Kejo-numa
Designated	31 October 2008
Reference no.	1843[1]

A 34 hectare portion of the wetlands at Lake Kejyonuma has been protected since October 2008 as a Ramsar site in Japan.[3]

References

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