Operating Hours & Seasons

Rock Creek Park is open during daylight hours.

Our Visitor Centers are open as follows:

Nature Center

Open 9:00 a.m. to 5:00 p.m. Wednesday through Sunday (closed on Thanksgiving, December 25 and New Year Day).


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. every day (closed on Thanksgiving, December 25, and New Year Day).

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 March 31, Saturday and Sunday, Noon. 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.

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