Sacred Falls State Park (Kaliuwaa in Hawaiian) is a closed state park located in Hau'ula on the North Shore of the Hawaiian island of Oahu. It has been closed since the rockfall that occurred on Mother's Day in 1999. Although people caught entering the park are subject to hefty fines, hikers continue to trespass into the park 20 years later. The park encompasses Kaluanui gulch and the waterfalls at its end, after which it is named. It is a place in Koolaolao, with much associated Hawaiian lore: