Wailua River

The Wailuā River is a major river on the island of Kauai in the U.S. state of Hawaii. 23.4 km long, it is one of the largest rivers, as well as Kauai's 5th longest river. It is formed by the confluence of its North and South forks just west of Wailua and enters the Pacific Ocean at 22.045°N, -159.33639°W. It is the only navigable river (by boats larger than kayaks) in the Hawaiian Islands. It is a center of activity for locals and visitors in the form of boat tours to Fern Grotto, kayaking and water skiing.

The North Fork begins at the Mount Waialeale at coordinates 22.05972°N, -159.4925°W and flows 12.2 mi east to its junction with the South Fork. The South Fork forms at the junction of several streams southwest of Hanamaulu and flows 8.1 mi east, over Wailua Falls, to its junction with the North Fork.

Other points of interest along the river system include a bird refuge, Kamokila Hawaiian Village, Secret Falls and a pool which formerly included a rope swing.