Jefferson Patterson Park & Museum

Where History and Nature Surround You!
​10515 Mackall Road, St. Leonard, MD 20685
​(P) 410-586-8501  (F) 410-586-0080
​www.jefpat.org      jef.pat@maryland.gov
Nestled in the heart of Calvert County, Maryland, we are located on the grounds of Jefferson Patterson Park & Museum.  The park and museum, a bucolic 560-acre state owned and operated facility, was gifted to the State of Maryland in 1983 by Mrs. Jefferson Patterson.  On the National Register of Historic Places, JPPM sits on a peninsula with 2.5 miles of waterfront overlooking the Patuxent River and St. Leonard Creek.