Wailua Falls is a 173 foot waterfall located near Lihue in Kauai, that feeds into the Wailua River. The waterfall is prominently featured on the opening credits of the television series Fantasy Island. In ancient times, Hawaiian men would jump from the top of the falls to prove their manhood. The pool is great for swimming, but there are swift currents close to the waterfall.
ʻŌpaekaʻa Falls is a waterfall located on the ʻŌpaekaʻa Stream in Wailua River State Park on the eastern side of the Hawaiian island of Kauai. It is a 151–foot waterfall that flows over basalt from volcanic eruptions millions of years ago. Below the ridge down into the ravine through which the water falls can be seen the vertical dikes of basalt that cut through the horizontal Koloa lava flows.[1] The name "ʻŌpaekaʻa" means rolling shrimp, and the name dates back to days when the native freshwater shrimp Atyoida bisulcata were plentiful in the stream and were seen rolling and tumbling down the falls and into the churning waters at the fall's base.
The Hawaii name of this beach is Kenomene Beach, but it’s usually just called Hideaways Beach, or the Pali Ke Kua Beach. However, Pali Ke Kua beach is considered by us as a separate beach because access is different. But they are connected by a large rock outcropping, so you can swim between them easily. Hideaways isn’t so hidden nowadays, but it’s still a great Princeville beach to visit. Hideaways Beach is near Pali Ke Kau Condos and the St. Regis Resort in Princeville. Beware, to get to this beach you must hike down a steep rocky path. There are metal hand rails and ropes, and you will need them (however beware of sharp rusty edges). On the other side of the handrails are deep drop offs. But all this work is worth the reward. When muddy, take extra time getting down, it is slippery.