b) California

The tallest mountain in the contiguous United States is located in California. Mount Whitney, standing at an elevation of 14,505 feet, is part of the Sierra Nevada mountain range. This majestic peak attracts thousands of hikers and climbers every year, offering breathtaking views and a challenging ascent. Mount Whitney’s status as the highest point in the lower 48 states makes it a notable landmark in American geography and a symbol of the diverse and grandiose natural landscapes found across the country.