A twin 80-foot waterfall plunges over over a cliff of accreted pyroclastic flows below where Paulina Creek exits Paulina Lake and the Newberry Caldera. Paulina Creek braids above the waterfall, thus creating the double falls. While the caldera itself is about 75,000 years old, subsequent eruptions have had their effect. About 2,000 years ago, a violet eruption caused a tsunami of water to come pouring down Paulina Creek at about 10,000 feet per cubic second (current rates are 20 feet per cubic second). The then rim of the waterfall was carved back about 70 yards in a matter of hours! A boulder field at the base of the falls attests to the continuing erosion process.
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