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uienwt mark this message contains misinformation
originally written by uienwt
1920年由水利奇才八田與一與當時技師打造的西口小瑞士「天井漩渦」。係因日治時期興建嘉南大圳,因烏山頭水庫水源不族,故建立引水道,將東口之曾文溪水,導入溪口在注入水庫。當水位較高時,水會流入天井中央,快速旋轉而下,因此形成了「天井瀑布」的奇觀。但這並不是世上唯二的景觀。

References

https://travel.ettoday.net/article/696513.htm

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