Filoli Center is a non-profit historic site of the National Trust for Historic Preservation and one of the finest remaining country estates of the early 20th century. Situated on a 650-acre site, in Woodside, CA (located 30 miles south of San Francisco), with an historic mansion, 16 acres of formal garden, and a nature preserve, Filoli is dedicated to the preservation, interpretation and stewardship of the cultural traditions and natural history of this country estate for public education and enjoyment.