Haleakalā National Park protects the vast volcanic summit region of Haleakalā, a massive shield volcano that forms more than 75% of Maui. The park features a dramatic volcanic crater, unique alpine and subalpine ecosystems, rare native plants and animals, and culturally significant sites. Visitors can explore the summit area with its otherworldly landscapes, hike through lush Kipahulu coastal rainforest, and experience spectacular sunrises above the clouds. The park is renowned for its stargazing opportunities and diverse habitats ranging from desert-like volcanic landscapes to tropical rainforests.