Yosemite Music Festival Posted by: Kellie Flanagan July 8, 2017 0 898 Views Loading Map.... Mariposa County Fairgrounds5007 Fairgrounds Road - MariposaEvents 37.465582 -119.94685400000003 Date/Time Date(s) - 07/08/201711:00 am - 11:30 pm Location Mariposa County Fairgrounds Categories Arts & Entertainment Concert Yosemite Music Festival Rocks The Mariposa Co. Fairgrounds ShareTweetSharePin Print this Article 2017-07-08 Kellie Flanagan