Mother Lode Fairgrounds is located in Sonora, California. It features over 80 full hookup campsites on beautifully landscaped grounds. The park offers free WiFi and allows pets. Amenities & Activities Campsite amenities offered include a clubhouse and a dump station. It also includes all your basic amenities like restrooms with hot showers and laundry facilities. Visitors can enjoy on-site activities such as hiking, water skiing, horseback riding, rafting, camping, snowmobiling, boating, snow skiing, fishing and other outdoor activities. Local Attractions Motherlode Fair in early to mid-June music events carnival The Stanislaus National Forest and Yosemite National Park historic hotels, six area golf courses, numerous gourmet restaurants, wineries, train rides, casinos, five museums and more!