The highest point in the world is Mount Everest at 29,035 feet high, and is located in Nepal. The highest point of a mountain is called the peak, or summit. When there is a series of mountains close together, this is referred to as a mountain range. Some of the most famous mountain ranges include the Rocky Mountains, the Appalachian Mountains and the Himalayas.
Other interesting facts about mountains include weather is often different at the top of the mountain than the bottom because of the high altitude. When there is a land mass of 1,000 feet about the surrounding area, it is technically referred to as a mountain.