US | waterfall 3 Yosemite Hikers Presumed Dead After Waterfall Plunge Teams to continue search for bodies By Tim Karan Posted Jul 20, 2011 2:25 PM CDT Copied Three hikers are presumed dead after going over Vernal Falls in Yosemite National Park. (Shutterstock) Three hikers who fell over a waterfall in Yosemite National Park yesterday are now presumed dead. The trio—all in their 20s—climbed over a guardrail at the top of Vernal Falls, lost their footing in the swift water, and were swept over the 317-foot waterfall, say witnesses. Park officials called off rescue efforts this morning but will continue searching for the bodies in the Merced River, reports the Los Angeles Times. Click to read about another dangerous waterfall. Read These Next He was an Olympian. Now he's the FBI's most wanted. Disturbing turn of events in case of a teen found dead on a cruise. Trump threatens to fire his 'voice of reason.' Researchers believe simple test could save thousands of lives a year. Report an error