Plunge pool height of fall, the volume of water, the resistance of the rock below the pool and other factors. The impacting and swirling water, sometimes carrying rocks within it, abrades the riverbed into a basin, which often features rough and irregular sides. Plunge pools can remain long after the waterfall has ceased flow or the stream has been diverted. Several examples of former plunge pools exist at Dry Falls in the Channeled Scablands of eastern Washington. Plunge pools are fluvial features of erosion which occur in the youthful stage of river development, characterized by steeper gradients and faster water flows. Where
Perilous Plunge Perilous Plunge Perilous Plunge was a shoot-the-Chutes style attraction located at Knott's Berry Farm in Buena Park, California. The ride opened on September 15, 2000, and closed on September 3, 2012. The attraction was based on the pleasure piers of the past along Southern California's famed beaches such as Huntington Beach. 24-passenger boats were towed to a height of where a brief U-turn was taken before a world record water chute into a 650,000-gallon "splashdown" lagoon. On August 13, 2012, Knott's Berry Farm announced that Perilous Plunge would be closing for good on September 3, 2012, in order to make