Length 325 km Country Vietnam | Province Thanh Hoa Province | |
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Chu River (name in Vietnam, Vietnamese: Sông Chu) or Nam Sam River (name in Laos) is the largest tributary of Ma River. It originates from Houa peak at 2062 m near Xam Neua town, Houaphanh Province in eastern Laos and travels east to meander through Nghệ An and Thanh Hóa provinces of Vietnam. It joins Ma River on the left in Thiệu Hóa.
Map of Nam Sam River, Thi%E1%BB%87u H%C3%B3a District, Thanh Hoa, Vietnam
The river is 325 km long (165 km in Laos and 160 km in Vietnam) with a drainage area of about 7,580 km² (4,570 km² in Laos and 3,010 km² in Vietnam).
References
Nam Sam River Wikipedia(Text) CC BY-SA