Mariposa County Fairgrounds By myMotherLode.com Events Published Mar 13, 2025 10:32 am Loading Map.... Mariposa County Fairgrounds5007 Fairgrounds Road - MariposaEvents 37.46593 -119.947494 Address 5007 Fairgrounds Road Mariposa, CA 95338 United States Upcoming Events Mariposa Gem and Mineral Show - 04/12/2025 - 04/13/2025 - 10:00 am - 4:00 pm
