
The Seki River (関川) is a Class A river in Niigata Prefecture and Nagano Prefecture, Japan.[1][2] Approximately 210,000 people live in the basin area.[2]
References
- ^ "関川". www.japanriver.or.jp. Retrieved 2021-06-09.
- ^ a b "日本の川 - 北陸 - 関川 - 国土交通省水管理・国土保全局". www.mlit.go.jp. Retrieved 2024-03-05.
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