Haleakalā volcano is a massive shield volcano located on the island of Maui in Hawaii. It rises about 10,023 feet (3,055 meters) above sea level and is known for its stunning sunrises and diverse ecosystems. The volcano's last eruption occurred in the late 18th century, and it is now considered dormant. The summit of Haleakalā features a large crater, which is about 7 miles (11 kilometers) across. This area is part of Haleakalā National Park, where visitors can explore unique landscapes, including rare plants and animals. The park also offers hiking trails and scenic viewpoints for tourists.