Hours of operation and contact information for Rock Creek Park program sites:
- Nature Center Located at 5200 Glover Road, NW (off Military Rd.), Open Wed - Sun 9:00 AM - 5:00 PM, 202-895-6070
- Old Stone House Located at 3051 M Street, NW (in Georgetown), Open daily 11:00 Noon - 6:00 PM 202-426-6851. Starting January 5, 2015 Open Wednesday - Sunday.
- Peirce Mill and Barn Located at the corner of Tilden Street and Beach Drive. Currently closed for the season. Starting April 3, 2015 open Wednesday through Sunday, 10:00 AM - 4:00 PM. For more information, please call 202-895-6070.