The Sierra Nevada mountains are a major mountain range located in the western United States, primarily in the state of California. They stretch approximately 400 miles from north to south and are known for their stunning landscapes, including towering peaks, deep valleys, and beautiful lakes. The range is home to several national parks, including Yosemite National Park and Sequoia National Park, which protect its unique ecosystems and diverse wildlife. The highest peak in the Sierra Nevada is Mount Whitney, standing at 14,505 feet, making it the tallest mountain in the contiguous United States. The mountains are also famous for their granite cliffs, alpine meadows, and ancient giant sequoia trees. The region attracts outdoor enthusiasts for activities like hiking, skiing, and rock climbing.