Haiku Stairs Haiku Stairs The Haikū Stairs, also known as the Stairway to Heaven or Haikū Ladder, is a steep hiking trail on the island of Oahu, Hawaii. The total 3,922 steps span along Oahu's Ko'olau mountain range. "Haiku" does not refer to the Japanese poetry genre. The area is named "Haikū" after the Kahili flower. In 1942, contractors for the U.S. Navy began construction of the Haʻikū Radio Station, a top secret facility that was to be used to transmit radio signals to Navy ships that were then operating throughout the Pacific. In order to obtain the necessary height for the
Haiku Mill became the Hawaiian Commercial and Sugar Company division of Alexander & Baldwin with one remaining mill at Puunene. The Haikū area later became a pineapple plantation. The former cannery at 810 Haiku Road is now a shopping center called the Haiku Marketplace. Only the walls of the mill were left standing when it was added to the National Register of Historic Places listings in Hawaii on February 6, 1986 as site 86000189. It is state historic site 50-046-1622.. The mill is located at 250 Haiku Road, . Haiku Mill The Haikū Sugar Mill was a processing factory for sugarcane from