For the more information about the air resources of the National Park Service, please visit

McKean County, PA

Tionesta Scenic and Research Natural Areas
Tionesta Scenic and Research Natural Areas, a National Natural Landmark in McKean County, PA.

National Natural Landmarks in this county include:

← Back to listing of NNL sites in PA.

← Back to listing of all states and territories.

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