Piscataway Park grounds are open from dawn to dusk.
Visitor Center Hours:
March 1 through November 30:Tuesday through Sunday 10 am-4 pm.
December 1 through February 28: 10 am-4 pm on weekends only.
Historic Farm and Buildings:
March 1 through November 30: Tuesday through Sunday 10 am -4 pm
December 1 through February 28: Closed.
The Accokeek Foundation administration office is open from 9 am to 5 pm, Monday through Friday.
Please call 301.283.2113 for holiday or weather closing information.
Farmington Landing, Accokeek Creek/Boardwalk and Marshall Hall areas are open during daylight hours.