The city of Treinta y Tres, capital of the department, appears almost surrounded by the Olimar River and its affluent, the Great Yerbal stream.
Mississippi River | Rio Grande do Sul | River Thames | Amazon River | Columbia River | Rio Grande | Hudson River | Colorado River | Potomac River | river | Ohio River | Grande Comore | 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 |