Manzanita Building Motherlode Fairgrounds By myMotherLode.com Events Published Dec 3, 2024 03:07 pm Loading Map.... Manzanita Building Motherlode Fairgrounds220 Southgate - SonoraEvents 37.97849 -120.389141 Address 220 Southgate Sonora, CA 95370 United States Upcoming Events Honoring Mother Earth Celebration - 04/19/2025 - 11:00 am - 4:00 pm