Haleakalā is a massive shield volcano located on the island of Maui in Hawaii. It rises to an elevation of 10,023 feet (3,055 meters) and is known for its stunning sunrises and sunsets. The volcano is part of the Haleakalā National Park, which protects its unique ecosystems and diverse plant and animal species. The summit area features a large crater, which is about 7 miles (11 kilometers) across and 2.5 miles (4 kilometers) wide. Visitors can explore hiking trails that offer breathtaking views and opportunities to see native wildlife. Haleakalā is also significant in Hawaiian culture, often referred to as the "House of the Sun."