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The schedule of events is subject to changed based on the status of the coronavirus response, weather, staffing, and other situations that may arise. If Calvert Nature Society or Calvert County Natural Resources Division cancels a program, a full refund will be issued.  See our COVID policies for all in-person activities.

NEW Registration Opening Dates

We have new dates for when registration opens:

 Programs in... Members Nonmembers
 January October 7 October 21
 February November 7 November 21
 March December 7 December 21

Lower Marlboro Freedom Day

  • 10/16/2021
  • 11:00 AM - 4:00 PM
  • Lower Marlboro, MD

For All Ages

Registration is not required.

Commemorating the freedom of those who, with the help of the British, fled slavery during the War of 1812.

Download the flyer

The daylong celebration includes:

  • A walking tour 
  • Speakers
  • Naturalist-led activities
  • Fishing at the Pier
  • Exhibits at the historic Lower Marlboro United Methodist Church and the Lower Marlboro Hall 
  • Food Vendor
  • Ample free parking available

Calvert County Event Page

Contact: Karyn Molines 410-535-5327

Location: Lower Marlboro Hall, 3911 Lower Marlboro Road, Owings, MD

Registration is not required.

If you are interested in volunteering, go to our Calvert Steward event, call 410-535-5327 or 

Sponsors include:
Calvert Nature Society, Calvert County Parks & Recreation Natural Resources Division,  Residents of Lower Marlboro, All Saints Episcopal Church, Calvert County Chapter of the NAACP, Calvert County Historical Society, Calvert Library, Calvert County Historic District Commission, Maryland State Archives, Maryland Commission on African American History and Culture, and Mt. Harmony – Lower Marlboro United Methodist Church
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