Campers Enjoying the RV Park at the Campgrounds January 27, 2017 | Norm Campers enjoying the sunshine at the RV Park at the Nevada County Fairgrounds. Wherever you spend the weekend, enjoy it! Photo by Suzy Calderon-Crabtree. Categories: Nevada County Fairgrounds.Tags: California's Most Beautiful Fairgrounds, camping, Fairgrounds, get outside, Go RVing, Grass Valley, Lions Lake, motorhome, Nevada City, Nevada County, RV, RV Park, sunshine, weekend, and weekend fun.