For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Cook Forest, located within Cook Forest State Park, is a relict of the forest type that once covered northern Pennsylvania. The forest is predominately comprised of Eastern white pine along with Eastern hemlocks and mixed hardwood tree species.
Year designated: 1967
Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012