Multnomah Falls is a waterfall located on Multnomah Creek in the Columbia River Gorge, east of Troutdale, between Corbett and Dodson, Oregon, United States. The waterfall is accessible …

Apr 1, 2004 · This 620 foot cascade (total of upper and lower falls) is one of the highest constantly streaming waterfalls in North America (Yosemite Falls is the highest; USFS, 2007). The …

As the softer rock is eroded away by the powerful flow of the Columbia River, the harder basalt layers remain, creating spectacular cascades like Multnomah Falls, which drops over 600 feet …

Multnomah Falls is one of the top places in the Columbia River Gorge National Scenic Area to study the geology exposed by floods. Six volcanic flows of Grande Ronde Basalt are visible in …

The United States Geological Survey measured the falls in 1916 and found that the total drop of both the upper and lower falls is 620 feet. The falls' source is at the top of Larch Mountain, …

Geology: The cliff at Multnomah Falls exposes six layers of basalt lava flows, stacked like chapters in a stone history text. The Columbia River has been migrating northward for the past …

Jun 2, 2010 · Take the hiking trail from Horsetail Falls (a little east of Multnomah Falls) toward Oneonta Gorge. You'll pass under and behind another smaller falls on the way, under an …

Nevertheless, from our visits to the visitor center, we’ve had a chance to learn a bit more about the geology of Multnomah Falls as well as the greater Columbia River Gorge.

There are many scenic hiking routes nearby, and Multnomah Falls is one of the best places in the Columbia River Gorge National Scenic Area to study geology exposed by floods (five flows of …

But more importantly, is the geology. The Washington side is an unstable "layer cake" of dense basalt on top of softer, unconsolidated rocks, and the whole assembly tilts to the south as it …