Woodland trails, gardens, mansion tours
Planting Fields Arboretum in Oyster Bay spans 409 acres with five miles of woodland trails, over 20 gardens designed by the Olmsted Brothers firm, two greenhouses, and a 65-room Tudor Revival mansion open for tours. Kids can explore formal gardens, tree collections, and woodland paths, plus join programs like Little Learners (ages 2-5) and seasonal events.
Indoor & outdoor · Rainy-day pick · Quiet-friendly · Ages 2-5 (Little Learners program); all ages welcome for trails and grounds
Little Learners meets every other week on Fridays 10-11am for ages 2-5; register in advance.
Greenhouses are free to visit and open Wednesday-Monday 10am-4pm; closed Tuesdays.
Parking is free weekdays September through April; paid admission applies weekends and summer.
Self-guided Main House tours let you set your own pace Fridays-Sundays 1-4pm.
Woodland trails vary in length; pick up a trail map at the Visitor Center before you head out.