Summit The summit of Mount Everest. The summit is 8,800 metres high (29,000 ft). The summit is the top of a mountain or hill. In geography, the elevation of mountains is measured. The elevation is the difference in height between sea level and the top of a mountain or hill. A peak is a pointed mountain, though not always. This short article about a place or feature can be made longer. You can help Wikipedia by adding to it.