The Calaveras County Fair is an annual event held in Angels Camp, California, typically in May. It features a variety of activities, including livestock shows, carnival rides, and live entertainment. The fair celebrates the region's agricultural heritage and offers a platform for local farmers and artisans to showcase their products. One of the highlights of the fair is the famous Frog Jumping Contest, inspired by the short story "The Celebrated Jumping Frog of Calaveras County" by Mark Twain. This quirky competition attracts participants from all over, making it a unique and entertaining experience for visitors of all ages.