Waipiʻo Valley is a valley located in the Hamakua District of the Big Island of Hawaiʻi. The shore line in the valley is a black sand beach, popular with surfers.
A steep road leads down into the valley from a lookout point located on the top of the southern wall of the valley. The road gains 800 vertical feet (243.84 m) in 0.6 miles (0.9 km) at a 25% average grade, with...