Seki River

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]

Seki River 関川
Seki River in Niigata, Japan
Location
Country	Japan
State	Honshu
Region	Niigata Prefecture, Nagano Prefecture
Physical characteristics
Source	Niigata-Yakeyama
• elevation	2,400 m (7,900 ft)
Mouth	Sea of Japan
• coordinates	37°10′57″N 138°14′47″E
Length	64 km (40 mi)
Basin size	1,140 km2 (440 sq mi)

Kenshinko Bridge in Jōetsu City