Rugged Peaks can refer to the Sierra Mountains, a mountain range located in the western United States. The Sierra Mountains are known for their steep and jagged peaks, making them one of the most rugged mountain ranges in the world. They are home to some of the highest peaks in the continental United States, including Mount Whitney, the highest peak in the contiguous United States. The Sierra Mountains are also home to many national parks, including Yosemite National Park, Sequoia National Park, and Kings Canyon National Park.