Wailua Falls (Usa) – Location, Height, Geography & Facts

Wailua Falls, Usa.

Country: Usa
Coordinates: 22.0378° N, 159.3817° W

Wailua Falls overview

Wailua Falls is a waterfall on the island of Kauai in the United States. It is a twin-plunge waterfall on the Wailua River, with two distinct streams dropping over a basalt cliff into a pronounced plunge pool, making its split crest a defining measurable characteristic of the site. Wailua Falls is significant as a geographic landmark on eastern Kauai and as a recurring subject in photographic and broadcast records.

Wailua Falls coordinates

Wailua Falls is commonly mapped at approximately 22.0378° N, 159.3817° W, or 22.0378, -159.3817 in decimal degrees.

Degrees: 22.0378° N, 159.3817° W

Decimal: 22.0378, -159.3817

Where Wailua Falls is located

Wailua Falls lies on the Wailua River within the eastern part of Kauai, in the County of Kauai, State of Hawaii. The falls occupy a river knickpoint where the Wailua River drops into a steep-sided valley north of the island’s central ridge. Surrounding features include the Wailua River valley, adjacent ridgelines of volcanic origin, and downstream river channels that connect the falls to the island’s eastern coastal plain.

Why Wailua Falls is important

Wailua Falls is distinguished by its bifurcated crest, which produces two narrow plunging streams rather than a single sheet of water. The falls sit within a landscape long used in Hawaiian cultural practice, and they appear in photographic, film, and television imagery that has shaped popular recognition. Geomorphically, Wailua Falls provides a clear example of river incision through layered volcanic rocks, and hydrologically it marks a local concentration of erosive energy in the Wailua River system.

History of Wailua Falls

The formation of Wailua Falls reflects Kauai’s volcanic origin followed by prolonged fluvial erosion that carved the Wailua River valley. As flows from the river encountered resistant layers of basalt, differential erosion produced the vertical cliff that now forms the falls. Human history around the Wailua River valley includes traditional Hawaiian land use and ceremonial sites on adjacent river terraces; the falls became part of that cultural landscape and later entered photographic and broadcast records that documented Kauai’s natural features to wider audiences.

Natural features of Wailua Falls

Wailua Falls presents a twin-plunge morphology with two concentrated streams emerging from a narrow cliff crest and free-falling into a plunge basin. The cliff face shows layered volcanic rock typical of Kauai’s shield and subsequent erosional phases, and the plunge basin and immediate downstream channel show bedrock scour and localized sediment deposition. Riparian vegetation collars the pool and cliff base, and the steep valley walls frame the falls’ vertical exposure to the Wailua River corridor.

Environment, protection, and monitoring of Wailua Falls

Wailua Falls is situated under the jurisdictional framework of Kauai County and the State of Hawaii, and it falls within broader regional watershed and coastal resource management planning. Conservation themes for the site emphasize watershed protection, erosion control, and the preservation of cultural landscapes associated with the Wailua River. Stewardship and monitoring activities for the river corridor are conducted through state and county planning instruments and through cultural resource inventories that document archaeological and landscape values.

Wailua Falls facts

Wailua Falls is a twin-plunge waterfall on Kauai formed where the Wailua River drops over a basalt cliff into a plunge pool.
The falls are located in the Wailua River valley on the eastern side of Kauai, within the administrative area of Kauai County.
Wailua Falls appears in photographic and broadcast media and was used in the opening imagery of a television series.
The waterfall flows over layered volcanic rock that records Kauai’s eruptive and erosional geological history.
Wailua Falls is treated within State of Hawaii and county planning frameworks as part of a managed watershed and cultural landscape.

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