Is there seating available in the garden at filoli? There is seating available in the Garden. Introduce yourself to Filoli, where you can explore 16 acres of formal gardens, step back in time in the historic house museum, and hike through the lush and varied natural communities of the estate. Use this guide to enhance your experience at Filoli and as a souvenir to take home.Is filoli a national park? Filoli is a 654-acre country estate recognized as a California State Historic Landmark, and listed on the National Registry of Historic Places. Since 1975, Filoli has been a National Trust Historic Site. Located 30 miles outside of San Francisco, Filoli is recognized as one of the finest remaining country estates of the early 20th century.When was filoli built? Opened to the public in 1976 as a site of the National Trust for Historic Preservation, Filoli features a 54,000 sq. ft. home and a 16–acre English Renaissance Garden.Why choose filoli? Located 30 miles outside of San Francisco, Filoli is recognized as one of the finest remaining country estates of the early 20th century. The estate offers unique, restorative experiences for the whole family every season.