KnowraMadeira RiverLinked fromLinked fromThe 3 pages that link to Madeira River, each with the reason it gives.All 3Broader topic 1Related 2RondôniaBroader topic: It runs through Rondônia and connects Porto Velho to the Amazon’s river network.Porto VelhoRelated: The river made Porto Velho a transport and trade hub, though its rapids obstructed navigation.Purus RiverRelated: It meets the Amazon downstream of the Purus's confluence.