Locale: Wailua River State Park
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)
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.