Hanakapiai Falls or Hanakapi'ai Falls is an approximately 300 feet (91 m) high waterfall located in Hawaii on the Na Pali side of the island of Kauai. It requires a hike of approximately 2 miles from Hanakapi'ai Beach. The waterfall is described as "gorgeous but challenging".[2] The trail is unmaintained and is a popular day-hike for able-bodied hikers.[3]