Monacan Indians were the inhabitants of the Rivanna valley including Monasukapanough, near the headwaters of the river, and Rassawek, the principal town of the tribe located at the confluence of the Rivanna and James rivers, at the time of first contact by Europeans.
Monacan Indians were the inhabitants of the Rivanna valley at the time of first contact by Europeans. Several major population centers of the tribe were located along the Rivanna, including Monasukapanough, near the headwaters of the river, and Rassawek, the principal town of the tribe, located at the confluence of the Rivanna and James rivers. 
