May 2016 - October 2016 the mansion is open everyday by guided tour only. Tours are offered throughout the day at: 9:15, 10:00, 11:00, 12:00, 1:00, 2:00, 3:00 and the last tour at 4:00 PM. The Visitor Center is open from 9:00 AM to 5:00 PM. (Tour times are subject to change)
November 2016 - April 2017 the mansion is open everyday by guided tour only. Tours are offered at 10:00, 12:00, 2:00 and 4:00. Tours are approximately one hour.
Closed Thanksgiving Day, Christmas Day and New Years Day, including the grounds and buildings.
The road to Bard Rock is open to vehicles on Tuesday and Thursday, June - September.
The grounds are free and open daily until sunset. Entrance gates located at Vanderbilt Mansion National Historic Site, will be subject to closure 30 minutes prior to sunset. The grounds will continue to remain open to pedestrians until sunset.