: Welcome to the mesmerizing world of South America's rivers! : Amazon River: The mighty Amazon, stretching over 4,000 miles, holds the title for the widest river in South America. : Paraguay River: Flowing through Brazil, Paraguay, and Argentina, the Paraguay River boasts impressive width, making it one of the region's widest. : Orinoco River: Spanning Venezuela and Colombia, the Orinoco River's width and beauty make it a sight to behold. : Paraná River: With its stunning width and length, the Paraná River is a major waterway flowing through Brazil, Paraguay, and Argentina. : São Francisco River: Known for its width and historical significance, the São Francisco River is a vital water source for northeastern Brazil. : Magdalena River: Colombia's Magdalena River impresses with its width and role as a lifeline for many communities. : Madeira River: As one of the Amazon River's largest tributaries, the Madeira River showcases breathtaking width and natural wonders. : Tocantins River: Flowing through Brazil, the Tocantins River's width and biodiversity make it a true gem of South America. : Negro River: The Negro River, with its wide expanse and rich ecosystems, is a hidden treasure in the heart of the Amazon rainforest. : Essequibo River: Suriname's Essequibo River, though lesser-known, surprises with its width and stunning landscapes. : Uruguay River: Marking the border between Argentina and Uruguay, the Uruguay River charms with its width and scenic beauty.