Ferndale Chamber of Commerce March 8, 2017 RV and Camping Humboldt County Fairgrounds RV Park & Campground Ferndale Chamber of Commerce March 8, 2017 RV and Camping Well-maintained RV Park & Campground at the Humboldt County Fairgrounds, located within walking distance of Ferndale and surrounded by an idyllic pastoral landscape and tree-covered hills. 60+ sites with hook-ups for electrical/water.