The Rio dos Bois is a river in the state of Goiás in central Brazil, flowing into the São Simão reservoir on the Paranaíba River. The river offers a paddling experience characterized by class I and II rapids, with sections where the river narrows, creating more dynamic conditions suitable for kayaking and potentially paddle boarding. These rapids indicate a moving water environment that requires appropriate skill and equipment. A specific kayak descent was recorded in October, suggesting this period may be suitable for paddling. The river's course through the central Brazilian landscape leads it into a major reservoir, which can significantly alter its flow characteristics, especially near the confluence. Paddlers can utilize online planning tools that map access points and distinguish between private and public land boundaries along the river, which is crucial for legal and safe trip planning. The overall character of the river is one of an active waterway with mild to moderate rapids, set within the regional ecology of central Brazil.