business--industry-webFour of the five main routes to Yosemite National Park pass through Mariposa making tourism the county's main industry and area's largest employer accounting for 60% of the gross county income. There are 2,900 guestrooms in the county with over 30 bed and breakfast establishments. Other important industries are ranching, construction and light industry. The Mariposa County Chamber of Commerce is very active in promoting business in the county and sponsoring or participating in community events.