Fern Grotto

　　Introduction         The Fern Grotto is one of the most captivating attractions on Kauai. Ferns hang like delicate green stalactites from the 40-foot-high cave ceiling, draping over the rocks to create a fairy-tale-like atmosphere.  The only way to reach the cave is by boat up the Wailua River, the only navigable river in Hawaii, offering countless stunning views along the journey. Hawaiian chants and hula performances set the stage for your visit to the Fern Grotto. Currently, there are two tour operators that offer trips along the Wailua River and to the Fern Grotto:  Transportation  Smith’s Motorboat Service  Phone: 808-822-4111  Hours: 9:00–16:00  Wailua River Cruise & Tours:  Phone: 808-822-4908  Hours: 9:00–16:00

　　 Kauai, Hawaii, USA