I believe it's the Andes
Andes
south America mountain range
The Rockies (North America) and Andes (South America)
The Andes mountain chain is the major mountain range that extends from Alaska to South America, running along the western coast of the continent. It is the longest mountain range in the world, stretching approximately 7,000 kilometers.
The mountain chain that extends the farthest south in the Andes. The Andes mountains cover about 4300 miles, these mountains extend to the bottom of South America.
The western coast of South America is home to one of the longest mountain ranges in the world. The Andes Mountains stretch 4500 miles from the tip of South America all the way up to Panama.
The Andes mountain range runs 5,000-miles along the length of South America. The Andes are the longest continental mountain range in the world.
The Andes
The most extensive mountain system in the world is the Andes Mountain Range, which stretches along the western coast of South America for about 7,000 km (4,300 miles). It passes through seven countries including Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
The longest mountain ridge in the world is the Andes. The Andes is in South America and spans 7 countries for 4,700 miles.
The Ocean Ridge (also known as Mid-ocean ridge), which runs more than 40,000 miles on the sea floor of five oceans is the longest mountain chain in the world. The longest mountain range on dry land is the Andes, which stretch 4300 miles through seven countries in South America.
The longest mountain ranges is the Andes Mountains in South America. The mountain ranges stretch estimate is more than 5,000 miles.