Huilua Fishpond

Huilua Fishpond, in Ahupuaʻa O Kahana State Park on windward Oʻahu, is one of the few surviving ancient Hawaiian fishponds that were still operational well into the 20th century.[3] It was declared a U.S. National Historic Landmark in 1962, shortly after it had been severely damaged by the 1960 tsunami.[4] It was added to the National Register of Historic Places on December 29, 1962.[1]

Huilua Fishpond
Rock walls of Huilua Fishpond
Huilua Fishpond is located in Hawaii
Huilua Fishpond
Nearest cityKaneohe, Oʻahu, Hawaii
Coordinates21.55743°N 157.868302°W / 21.55743; -157.868302
NRHP reference No.66000295
Significant dates
Added to NRHPOctober 15, 1966[1]
Designated NHLDecember 29, 1962[2]

The fishpond may have started as a sandbar where ocean currents met the stream mouth. A 500-foot (152 m) permeable rock seawall (called kuapā in Hawaiian) was added along the shoreline to enclose about 7 acres (2.8 ha) of fertile brackish water. The wall was about 4 feet (1.2 m) wide and stood about 4 feet (1.2 m) above high tide, with two lashed-pole sluice gates (called mākāhā) that allowed little fish in but kept bigger fish from escaping. The name Huilua, which can be translated 'join-twice', may refer to the two gates. The favorite type of fish in the pond were ʻamaʻama (flathead grey mullet), which reproduce in the ocean but can live in either fresh, brackish, or salt water.[4]

Many Hawaiian fishponds were built between about the early 1400s and early 1600s. They were especially numerous in large expanses of shallow sea, such as Kāneʻohe Bay and Pearl Harbor. Each fishpond had a pondkeeper (kiaʻi loko) who lived nearby and oversaw its maintenance. Sam Pua Haʻaheo was the pondkeeper for Huilua from 1924, just after the 1923 tsunami, until 1946, when another tsunami hit. The fishpond suffered further tsunami damage in 1957 and 1960. The most recent restoration work began in 1993 as a cooperative project between the State Park service and Friends of Kahana, an organization of local residents.[4][5]

  • View across Kahana Bay
    View across Kahana Bay
  • View toward Kahana Valley
    View toward Kahana Valley
  • Sandbar, mudflats, and mangroves at seaward end
    Sandbar, mudflats, and mangroves at seaward end

References
Wikimedia Commons has media related to Huilua Fishpond.
  1. "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.
  2. "Huilua Fishpond". National Historic Landmark summary listing. National Park Service. Archived from the original on March 1, 2007. Retrieved June 21, 2008.
  3. "Ahupua'a 'o Kahana State Park" (PDF). State of Hawaii, DLNR. Archived from the original (PDF) on September 25, 2010. Retrieved March 25, 2012.
  4. "State of Hawaiʻi: Huilua Fishpond" (PDF). Archived from the original (PDF) on September 25, 2010. Retrieved January 3, 2010.
  5. "Volunteers band together to preserve Windward Oahu's ancient Huilua Fishpond". Hawaii News Now. September 6, 2021. Retrieved September 8, 2021.
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