Iao Valley is a lush, stream-cut valley in West Maui, Hawaii, located 5 kilometres (3.1 mi) west of Wailuku. Because of its natural beauty and historical significance, it has become a popular tourist location. It was designated a National Natural Landmark in 1972.
Floor elevation: 1,000 feet (300 m)
The park is not very big. You need to pay something like $ 5 to park. There is a waterfall and a river where you can bathe. The view is beautiful park near the high rock that is symbol.