Yosemite National Park announces that parking reservations will be required for all buses over 20 feet in length, including commercial tour buses, non-commercial buses, and mini-buses, to park and visit the Mariposa Grove of Giant Sequoias. The Mariposa Grove will reopen to the public on Friday, June 15, 2018. Bus reservations will be available beginning at 7:00 am PDTon Tuesday, May 15, 2018 on Recreation.gov for the summer and fall seasons from June 15, 2018 through November 30, 2018. https://www.nps.gov/yose/learn/news/yosemite-national-park-announces-bus-parking-reservations-for-the-mariposa-grove-of-giant-sequoias.htm