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

Multnomah Falls is a waterfall in the United States located on Multnomah Creek in Oregon.

Multnomah Falls, Usa.

Country: Usa
Coordinates: 45.5759° N, 122.1154° W

Multnomah Falls overview

Multnomah Falls is a waterfall in the United States located on Multnomah Creek in Oregon. It occupies a two-tiered cascade that drops over exposed Columbia River basalt and lies within the Columbia River Gorge National Scenic Area, making its formal status part of a federally established landscape for coordinated resource protection. The feature includes a mid-falls arched footbridge, known as Benson Bridge, crossing between the upper and lower tiers.

Multnomah Falls coordinates

Multnomah Falls is commonly mapped at approximately 45.5759° N, 122.1154° W, or 45.5759, -122.1154 in decimal degrees.

Degrees: 45.5759° N, 122.1154° W

Decimal: 45.5759, -122.1154

Where Multnomah Falls is located

Multnomah Falls sits on the Oregon side of the Columbia River Gorge, within Multnomah County and the Columbia River Gorge National Scenic Area. The falls are positioned on Multnomah Creek as that tributary descends from the Gorge rim toward the Columbia River, at approximately 45.576°N, 122.116°W. Surrounding terrain includes steep basalt cliffs formed by the Columbia River Basalt Group, narrow canyon walls, and a watershed of small tributary streams feeding the falls’ plunge and pools.

Why Multnomah Falls is important

Multnomah Falls is significant for its combination of geological expression, cultural association, and engineered landscape elements. Geologically, the falls demonstrate basalt ledges and columnar jointing typical of the Columbia River Basalt Group where a tributary drops sharply into the gorge. Culturally, the name derives from Chinookan peoples of the lower Columbia River and the site appears in regional indigenous narratives. Architecturally, the arched mid-falls bridge provides a constructed crossing that integrates with the cliff face and accentuates the two-tier form, distinguishing Multnomah Falls from single-drop or unmodified cascades.

History of Multnomah Falls

The form of Multnomah Falls developed as Multnomah Creek and the Columbia River acted on stacked flood-basalt flows, producing differential erosion where harder basalt benches remain as waterfalls. Cataclysmic floods and subsequent fluvial incision in the Columbia River Gorge exposed the layered basalt that creates the distinct ledges and plunge sections at the falls. Indigenous peoples associated the site and surrounding valley with place names and oral traditions prior to Euro-American settlement. Later human activity introduced constructed features to the immediate setting, including an arched footbridge intended to cross the midsection and complementary landscape work that framed the falls within a scenic conservation context.

Natural features of Multnomah Falls

Multnomah Falls comprises two principal tiers separated by a recessed rock bench and a plunge pool below the lower tier. The rock face shows exposures of Columbia River basalt with visible jointing and columnar textures that form the ledges over which water releases. Benson Bridge is an arched pedestrian span set into the cliff between tiers, anchored on basalt benches and positioned where spray and runoff interact with the rock amphitheater. The falls’ channel and pools reflect erosional hollows cut into basalt and localized sediment accumulation at base margins.

Environment, protection, and monitoring of Multnomah Falls

Multnomah Falls lies within the Columbia River Gorge National Scenic Area, where federal and regional entities coordinate land-use planning and resource protection. Management frameworks address scenic values, watershed health, and geological stability, and involve monitoring of structural elements and environmental conditions by public agencies. Conservation themes for the falls include protection of native riparian and cliff-side vegetation, invasive-species control, and the inspection and maintenance of engineered features that interface with the natural basalt amphitheater.

Multnomah Falls facts

Multnomah Falls occupies a two-tiered cascade on Multnomah Creek within the Columbia River Gorge in Oregon.
The waterfall flows over exposed sections of the Columbia River Basalt Group, showing jointed and columnar basalt ledges.
The name "Multnomah" originates from Chinookan peoples of the lower Columbia River region and appears in regional indigenous place traditions.
Benson Bridge is an arched footbridge spanning between the upper and lower tiers, constructed as part of early scenic infrastructure at the falls.
Multnomah Falls is located inside the Columbia River Gorge National Scenic Area, a formally designated landscape for coordinated resource protection.

← Usa