Orcas takes the plunge January 4, 2010 2:53 pm The Hippie Nippy Dip. Hundreds of brave Orcas Islanders started the new year off right with an icy swim in Cascade Lake during the annual Polar Bear Plunge. This year’s theme was “Hippie Nippy Dip.” Check out a video of the event by Marj Franke here