In 1922, he became a real-life explorer when he took a six-month trip down Venezuela's Orinoco River and its tributary, the Ventuari River.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
In Venezuela, Sanumá is spoken in the vicinity of the Caura and Ervato-Ventuari Rivers in Venezuela, and the Auari River and Roraima region in Brazil.