The Tapajós River is a major river located in the northern part of Brazil. It flows through the Amazon rainforest and is approximately 1,200 kilometers long. The river is a tributary of the Amazon River, contributing to the vast water system of the region. It is known for its clear blue waters and diverse ecosystems, which support a variety of wildlife. The Tapajós River is also significant for local communities, providing resources for fishing and transportation. Several towns, such as Santarem, are situated along its banks, relying on the river for their livelihoods. The river's natural beauty attracts ecotourism, highlighting the importance of conservation efforts in the area.