Iao Valley
| ʻĪao Valley | |
|---|---|
| ʻĪao Valley | |
| Floor elevation | 1,000 feet (300 m) |
| Geography | |
| Coordinates | 20°52′51″N 156°32′42″W / 20.88083°N 156.54500°W |
| Designated | 1972 |
ʻĪao Valley (Hawaiian: ʻĪao: "cloud supreme", pronounced similar to "EE-yow") is a lush, stream-cut valley in West Maui, Hawaii, located 3.1 miles (5 km) west of Wailuku. Because of its natural environment and history, it has become a tourist location. It was designated a National Natural Landmark in 1972.