Woodland trails, gardens, and mansion
This 409-acre historic estate in Oyster Bay features five miles of woodland trails, over 20 gardens designed by the Olmsted Brothers, and a 65-room Tudor Revival mansion with art and horticulture collections.
Indoor & outdoor · Rainy-day pick · Quiet-friendly · Ages 2-5 for Little Learners; all ages welcome on general visits
Little Learners program runs every other week for ages 2-5 with hands-on nature activities and outdoor play.
Free access to both greenhouses (open Wed-Mon, 10am-4pm) requires no tickets or reservations.
Parking fees apply seasonally (May-Labor Day and weekends Apr-Nov), but seniors 62+ park free on weekdays with a driver's license.