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As previously mentioned, the elevation of Yosemite National Park is one of its most distinctive features. Yosemite features a lot of different landscapes, including both high mountains and low valleys. The elevation of the area is a geographical term used to denote how high it is above sea level. The elevation of Yosemite ranges from as low as 2,127 feet (648 m) to as high as 13,114 feet (3,997 m), meaning that some parts can be relatively low-lying, while others are so high that they are capable of triggering altitude sickness in visitors.
The highest point of Yosemite National Park is Mont Lyell. Mount Lyell has an elevation of 13,114 feet (3,997 m) and is found in the Cathedral Range. This mountain was named after a 19th century geologist named Charles Lyell and is a popular climbing spot, with various routes leading to the top. It's one of the highest National Park mountains anywhere in the United States and is one of the highest points in the state of California too.
The lowest point in Yosemite is part of the Merced River down in the Yosemite Valley. This river begins at a very high elevation, with its source being 8,017 feet (2,444 m) above sea level, but loses a lot of that elevation as it travels down towards the coast. The lowest point of Merced River is its mouth in the San Joaquin River, at an elevation of just 56 feet (17 m). However, the lowest point of the Merced River in Yosemite is at 2,127 feet (648 m).
Some of the other key landmarks around Yosemite include El Capitan, an impressive rock formation in Yosemite Valley with an elevation of 7,573 feet (2,308 m), Sentinel Dome, which is also found in Yosemite Valley and has an elevation of 8,127 feet (2,477 m), and Half Dome, which has an elevation of approximately 8,844 feet (2,695 m).