October 20-May 14:
Visitor Center and grounds only.
Thu-Mon 11 am-4 pm
Open New Year's Day, Thu Jan 1, 2015, 11 am-4 pm.
Closed Easter, Thanksgiving and Christmas.
May 15-third weekend in October:
Daily 10 am-6 pm
Open Memorial Day, July 4 and Labor Day, 10 am-6 pm.