The Menehune Fishpond, near Lihue, Hawaii, on Kauai, is a historic Hawaiian fishpond. Also known as Alekoko Fishpond, it has been listed on the U.S. National Register of Historic Places.Also called Alekoko or Niumalu Pond, it is bounded by a wall 900 yards long at a large bend in Hulēia River It has been deemed "the most significant fishpond on Kauai, both in Hawaiian legends and folklore and in the eyes Kauai's people today. It is so old that its construction is attributed to the Menehunes, a mythical people inhabiting Hawaii before the Hawaiians arrived....Additionally, it is the best example of an inland fishpond in the entire state." It was listed on the U.S. National Register in 1973; the listing included one contributing site and one contributing structure.