Beaver Falls, is a waterfall located on Beaver Creek near the town of Clatskanie in Columbia County, in the U.S. state of Oregon. The waterfall is formed as Beaver Creek sheets out onto a wide channel over a 40 foot wide chute at high velocity, falling into a natural amphitheater of layered basalt. Beaver Falls Trail leads to Beaver Falls in 0.3 miles from a tra…Beaver Falls, is a waterfall located on Beaver Creek near the town of Clatskanie in Columbia County, in the U.S. state of Oregon. The waterfall is formed as Beaver Creek sheets out onto a wide channel over a 40 foot wide chute at high velocity, falling into a natural amphitheater of layered basalt. Beaver Falls Trail leads to Beaver Falls in 0.3 miles from a trailhead on Beaver Falls Road. The waterfall and trail are surrounded by Douglas fir, western red-cedar, western hemlock, and big-leaf maple. Sword fern, Oregon grape, and salal are very common plant life growing beneath the forest canopy.