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Grande Ronde River

Tributary in the United States of America
The Grande Ronde River is a 210-mile long tributary of the Snake River, flowing through northeast Oregon and southeast Washington in the United States. Its watershed is situated in the eastern Columbia Plateau, bounded by the Blue Mountains and... Wikipedia
Discharge: 26,790 ft³/s
Length: 210 mi
Cities: Minam, Troy, La Grande, and more
Basin size: 4,130 sq mi (10,700 km2)