Yosemite Gateway Area Coordination Team Requests the State Open Up Campgrounds and Private RV Parks in Mariposa, Madera, Mono and Tuolumne Counties Details Last Updated: Thursday, 21 May 2020 12:20 Published: Thursday, 21 May 2020 12:20 View Comments May 21, 2020 - Yosemite Gateway Area Coordination Team Requests the State Open Up Campgrounds and Private RV Parks in Mariposa, Madera, Mono and Tuolumne Counties. View the discussion thread. back to top