The list contains the largest ;templatestyles src="Citation/styles.css"/ ;[b] contiguous public parks-preserves within of either Baltimore, Maryland or Washington, D.C., which is within the Baltimore metropolitan area or [[ WashingtonD.C. area.
 ;templatestyles src="Citation/styles.css"/ ;a - only a portion of this park is publicly accessible
 ;templatestyles src="Citation/styles.css"/ ;b - This list does not include interrupted, scattered parts of administrative units, but rather entire, contiguous park-preserve tracts. Strip park area ( ;1000 foot (300 m) width for more than 1/2 mile (800 m)) and public utility land (reservoirs) are excluded. Much of the [[Aberdeen Proving Grounds]], Maryland. and [[Quantico Marine Base]], Virginia are undeveloped, and constitute the largest such areas within of either Baltimore or Washington. Neither is generally open to the public. Quantico is contiguous with Prince William Forest Park. Washington and Baltimore are apart.
References.
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External links.
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[[Category:Baltimore–Washington metropolitan area|Parks]]
[[Category:Lists of forests in the United States]]
[[Category:Lists of parks in the United States by populated place]]
[[Category:Parks in Baltimore|*]]
[[Category:Parks in Maryland|*]]
[[Category:Parks in Virginia|*]]
[[Category:Parks in Washington, D.C.|*]]
[[Category:Northern Virginia|List of parks in the Baltimore-Washington]]
[[Category:Baltimore-related lists]]
[[Category:Washington, D.C.-related lists]]