Hawaii/Big Island: Big Island – Pololu Valley & Waipio Valley Hike
Waipio and Pololu Valleys are two of the most spectacular valley in Hawaii. The Waipio Valley’s floor is almost 2000 feet below the surrounding walls and some super-tall waterfalls can be found at the back of the valley. The Pololu Valley is next after the Waipio, and here you can hiking over and down to the valley floor.