<P> The world 's longest above - water mountain range is the Andes , about 7,000 km ( 4,300 mi ) long . The range stretches from north to south through seven countries in South America , along the west coast of the continent : Venezuela , Colombia , Ecuador , Peru , Bolivia , Chile , and Argentina . Aconcagua is the highest peak , at about 6,962 m ( 22,841 ft ) . </P>
<P> The world 's longest above - water mountain range is the Andes , about 7,000 km ( 4,300 mi ) long . The range stretches from north to south through seven countries in South America , along the west coast of the continent : Venezuela , Colombia , Ecuador , Peru , Bolivia , Chile , and Argentina . Aconcagua is the highest peak , at about 6,962 m ( 22,841 ft ) . </P>
what is the longest mountain range on earth
what is the longest mountain range on earth
Andes
Andes