The Wailua River is located on the island of Kauai in Hawaii. It is one of the few navigable rivers in the state, stretching approximately 3.5 miles from its mouth at the Pacific Ocean to its source in the lush mountains. The river is surrounded by stunning landscapes, including waterfalls and tropical vegetation, making it a popular destination for kayaking and boat tours. The river is historically significant, as it was once a sacred site for the native Hawaiian people. The area around the Wailua River is home to several important cultural landmarks, including the Wailua Falls and the ancient Hawaiian temple known as Hale O Lono. These sites attract visitors interested in both natural beauty and Hawaiian history.