Mariposa Car Show 2025. The mariposa butterfly festival is attended by thousands of visitors from near and far and they love cars! Saturday, october 16th, we begin our 10th annual hot.
The 13th annual mariposa yosemite hot rod & custom car show is saturday from 10am to 4pm at the mariposa county fairgrounds, 5007 fairgrounds road. Mariposa yosemite hot rod & custom car show.