When the Forestry Bureau announced the top six waterfalls for this activity in Taiwan, Wulai's Neitung Falls took the top spot, and the Wuchung River falls, originally not included in the study, took second place.
在農委會林務局公布的國家森林遊樂區六大瀑布負離子濃度排行榜上，烏來內洞瀑布高居榜首，原先沒有列入檢測的五重溪瀑布也拿下了第二名。