BIODIVERSITY
of
OUACHITA UPLAND RIVERS
Ouachita
River
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BIODIVERSITY
of
OUACHITA UPLAND RIVERS
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Ouachita
River
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| The Ouachita River originates in the Ouachita Mountains northwest of Mena, Arkansas, and meanders eastward through the heart of the Ouachita National Forest to just west of Hot Springs where it forms three impoundments. The river then flows southward across the Gulf Coastal Plain into Louisiana where it enters the Red River. The Ouachita River is the largest river in the Ouachita Highlands with a drainage area of 67,337 km2 and a total length of 872 km2. Major tributaries originating in the Ouachita Highlands include the Caddo, Little Missouri and Saline rivers. | ||||