Iao Valley
![Mountainside seen from within Iao Valley](/Images/godic/202501/19/2011_Oct_02_Iao_Valley_Mountainside_Panorama_crop5307.jpg")
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![Iao Stream](/Images/godic/202501/19/Iaostream5307.jpg")
![Bronze statue commemorating Japanese sugarcane workers at the Japanese Pavilion](/Images/godic/202501/19/Japanese_sugarcane_workers_15307.jpg")
Iao Valley (Hawaiian: ʻĪ-ao: "cloud supreme", pronounced similar to "EE-ow") 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.