Posted in Web Three BASE Jumpers Convicted for Base Jumping in Yosemite National Park October 24, 2025 BASE jumping in Yosemite has been illegal since the mid-1980s. The activity has led to numerous injuries, fatalities and high-risk rescues over the years, endangering both jumpers and rescuers. https://www.nps.gov/orgs/1207/three-base-jumpers-convicted-for-base-jumping-in-yosemite-national-park.htm