A cordillera is an extensive chain of mountains or mountain ranges, especially the principal mountain system of a continent or large island. it comes from the Spanish word cordilla, which is a diminutive of cuerda, or "cord". Mount McKinley (Denali) in Alaska (USA) has the highest visible base-to-summit elevation on Earth (approximately 5400 metres). ... A mountain range is a group of mountains bordered by lowlands or separated from other mountain ranges by passes or rivers. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...