Public land in Maryland

Blackwater National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

67,089 acres

Assateague Island National Seashore

National Lakeshore or Seashore - National Park Service

26,977 acres

Patuxent Research Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

25,661 acres

Chesapeake and Ohio Canal National Historical Park

Historic or Cultural Area - National Park Service

13,211 acres

Jennings Randolph Recreation Area

Recreation Management Area - Army Corps of Engineers

11,973 acres

Chesapeake Forest Lands

State Resource Management Area - State Department of Natural Resources

11,486 acres

Fishing Bay Wildlife Management Area

State Conservation Area - State Department of Natural Resources

10,272 acres

Nassawango Creek Preserve

Private Conservation - Non-Governmental Organization

10,031 acres

South Mountain State Park

State Park - State Department of Natural Resources

9,076 acres

Pocomoke River State Forest

State Resource Management Area - State Department of Natural Resources

8,360 acres

Martin National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

8,331 acres

Catoctin Mountain Park

Special Designation Area - National Park Service

5,753 acres

Savage River State Forest

State Resource Management Area - State Department of Natural Resources

4,978 acres

Putuxent River Park

Local Park - Other or Unknown Local Government

4,469 acres

Eastern Neck National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

4,188 acres

Idylwild Wildlife Management Area

State Conservation Area - State Department of Natural Resources

3,251 acres

Nanjemoy Creek Preserve

Private Conservation - Non-Governmental Organization

2,690 acres

Mattawoman Natural Environment Area

State Conservation Area - State Department of Natural Resources

2,436 acres

George Washington Memorial Parkway

Special Designation Area - National Park Service

2,379 acres

Montgomery County

Local Park - County Land

2,190 acres

Antietam National Battlefield

Historic or Cultural Area - National Park Service

1,972 acres

Piscataway Park

Special Designation Area - National Park Service

1,937 acres

National Capital Parks

Special Designation Area - National Park Service

1,935 acres

Mount Nebo Wildlife Management Area

State Conservation Area - State Department of Natural Resources

1,887 acres

Columbia Assc

Local Other or Unknown - Other or Unknown Local Government

1,631 acres

Green Ridge State Forest

State Resource Management Area - State Department of Natural Resources

1,610 acres

Appalachian National Scenic Trail

National Scenic or Historic Trail - National Park Service

1,565 acres

Chapman Residual

State Recreation Area - State Department of Natural Resources

1,360 acres

Nanticoke River Wildlife Management Area

State Conservation Area - State Department of Natural Resources

1,355 acres

Monocacy National Battlefield

Historic or Cultural Area - National Park Service

1,332 acres

Lp5014

Local Park - Other or Unknown Local Government

1,300 acres

North Point State Park

State Park - State Department of Natural Resources

1,272 acres

Open Space

Local Park - County Land

1,163 acres

Cranesville Swamp Preserve

Private Conservation - Non-Governmental Organization

1,134 acres

Greenbelt Park

Special Designation Area - National Park Service

1,079 acres

Garrett State Forest

State Resource Management Area - State Department of Natural Resources

1,070 acres

Hoyles Mill Cp

Local Conservation Area - Regional Agency Land

1,039 acres

Subdivision Os

Local Other or Unknown - Other or Unknown Local Government

1,033 acres

T. Howard Duckett Watershed

Local Conservation Area - County Land

1,002 acres

Gunpowder Falls State Park

State Park - State Department of Natural Resources

987 acres

Robinson Neck / Frank M. Ewing Preserve

Private Conservation - Non-Governmental Organization

970 acres

Leakin Park

Local Park - Other or Unknown Local Government

880 acres

North Cherry Creek Bog Preserve

Private Conservation - Non-Governmental Organization

855 acres

Fair Hill Natural Resource Management Area

State Resource Management Area - State Department of Natural Resources

815 acres

Pocomoke River Corridor Heritage Conservation

State Conservation Area - State Department of Natural Resources

814 acres

Conquest Beach

Local Park - Other or Unknown Local Government

805 acres

Harpers Ferry National Historical Park

Historic or Cultural Area - National Park Service

798 acres

Sideling Hill Creek Preserve

Private Conservation - Non-Governmental Organization

791 acres