The Mariposa Fairgrounds & Exposition Center is the perfect venue for your next event. We are equipped to handle events ranging in size from large expositions to the most intimate of affairs, but our proximity to the historic gold rush town of Mariposa, as well as Yosemite National Park, provides the opportunity for a host of post-event activities.. There are several different location options, indoor and outdoor, with plenty of parking and best of all, at an affordable price.