Wailua Falls is a famous pair of roadside waterfalls on the Wailua River in Kaua’i, which made them very popular, especially given its proximity to Lihu’e.

Secret Falls (Uluwehi Falls) is a very popular 100ft waterfall requiring some form of water transport to get to the trailhead, then a jungle hike to its base.

Opaekaa Falls (or Opaeka’a Falls) is a segmented waterfall tumbling some 151ft that is visible from a roadside lookout not far from Kapaa (or Kapa’a) on Kaua’i.