Camp 4 - Mount Whitney #4. As the tallest contiguous mountain in the U.S., Mount Whitney stands tall with a peak elevation of more than 14,000 feet. Located in the Sierra Nevada region of California, Mount Whitney offers one of the most challenging — and rewarding — hiking adventures in the Western U.S. Sleeping Accommodations: Camp 4's Mount Whitney cabin features one king-size bed and a sleeper sofa . The cabin can accommodate up to 4 guests. Property Details & Amenities: • Heating & AC: Mini-split units in the living area and bedroom • ...