Operating Hours & Seasons
Rock Creek Park is open during daylight hours.
Our Visitor Centers are open as follows:
Open 9:00 a.m. to 5:00 p.m. Wednesday through Sunday (closed on Thanksgiving, December 25, New Year days and the Fourth of July).
Ranger-led astronomy programs occur on Wednesdays at 4:00 p.m. (Young Planetarium), Saturdays and Sundays at 1:00 p.m. (Seasonal Night Sky), and Saturdays and Sundays at 4:00 p.m. (Exploring the Universe). The planetarium is otherwise closed, except by special arrangement.
Old Stone House
Open 11:00 a.m. to 6:00 p.m. Wednesday through Sunday (closed on the Fourth of July, Thanksgiving, December 25, and New Year days).
Peirce Mill and Barn
Summer Hours: Open April 1 to October 31, Wednesday through Sunday, 10:00 a.m. to 4:00 p.m.
Winter Hours: Open November 1 to November 30, Saturday and Sunday, 10:00 a.m. to 4:00 p.m.
For more information, to arrange a ranger-led program, or to arrange a curriculum-based education program (10 or more) , call the Nature Center at (202) 895-6070.