June 2025
30 June 1919
1919 — Lower Hamakua Ditch is opened when water is turned in to the highest tunnel several miles up Waipiʻo Valley.
Find out more »June 2026
30 June 1919
1919 — Lower Hamakua Ditch is opened when water is turned in to the highest tunnel several miles up Waipiʻo Valley.
Find out more »