The tallest mountain in the contiguous United States is Mount Whitney. Located in the Sierra Nevada mountain range in California, it stands at an elevation of 14,505 feet (4,421 meters). Mount Whitney is a popular destination for hikers and climbers, with its summit offering breathtaking views of the Sierra landscape. The mountain is part of a protected wilderness area, which is celebrated for its unique ecosystem and stunning natural beauty. Its challenging ascent attracts outdoor enthusiasts from around the globe, making it a notable site for adventure.