A massif is a section of a mountain range that is defined by steep slopes and a high elevation. The ANDES is the longest mountain range in the world, stretching along the western coast of South America. Ghat is a term used to describe a series of steps leading up to a mountain pass in India. An ARETE is a sharp ridge formed by two glaciers eroding away at a mountain. A CHAIN is a group of mountains that are connected by high ridges. The SIERRA is a mountain range located in California. The Rockies is a mountain range located in western North America. The Himalayas is the highest mountain range in the world, located in Asia.