The Oheo Gulch is a vibrantly green valley that has been naturally created by centuries of rain forest streams. Also called the Kipahulu Area, these lush lands became part of the Haleakala National Park in the 1940s. The main draw for visitors is the many tall waterfalls that feed into groups of large, tiered natural pools, sometimes called the Seven Sacred Pools of Oheo. Swimming in the fresh water is popular when water levels are safe.
Two streams, the the Palikea and Pipiwai, are the source of all of the water in this area. Visitors can hike the two-mile Pipiwai Trail (3-5 hours roundtrip) along the streams with view of the pools. Along the trail, there is one tranquil natural pool that can be less crowded than the Seven Sacred Pools area. The path ends at the 400-foot-tall Waimoku Falls, and you can always cool off in the pools after finishing the hike.