Thailandâs extensive territories, unrest on its borders, and placement in a zone prone to natural disasters all make helicopters a critical aspect of its military capabilities.
For the valley on the island of Hawaii, see Waipio Valley. WaipiÊ»o is a census-designated place (CDP) located in the Ewa District of the island of OÊ»ahu in the City & County of Honolulu, Hawaii, United States. In Hawaiian, wai piÊ»o means curved water. As of the 2010 census, the CDP had a population of 11,674.
Visiting Waipio Valley. Reaching the valley, which is accessed by a steep road with a 25 percent grade, is difficult. Vehicular access is limited to 4WD vehicles, and car rental companies prohibit use of their vehicles on the road. An ATV tour may be the best way to see WaipiÊ»o.