Jamanxim River Jamanxim River The Jamanxim River is a river of Pará state in north-central Brazil. Originating in the Serra do Cachimbo, it is a tributary of the Tapajós, into which it flows a few kilometers upstream from Itaituba. The river flows through the Tapajós-Xingu moist forests ecoregion. It flows through the Itaituba I National Forest, a sustainable use conservation area established in 1998. The river basin also contains part of the Rio Novo National Park, a conservation unit created in 2006. Its hydroelectric potential, along with that of the Tapajós, was assessed by Eletronorte (Centrais Elétricas do Norte do Brasil S.A.),
South Fork Clearwater River South Fork Clearwater River The South Fork Clearwater River is a long river in north-central Idaho in the United States. Draining about , the South Fork joins with the Middle Fork Clearwater River to form the Clearwater River, a major tributary of the Snake River. The river is formed by the confluence of the American River and Red River in the Nez Perce National Forest at an elevation of . The roughly American River rises at and flows generally south to the confluence, while the northwest flowing Red River, rising at , is about long. The American River is sometimes