| Non-active grottos within the Mid-Appalachian Region that were chartered through the NSS but are currently no longer functioning. |
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Pennsylvania Grottos
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Bucknell Grotto
Bucknell University
Lewisburg, PA
Years Active 1956-1958
NSS Grotto #66
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Gettysburg Grotto
Gettysburg, PA
Years Active 1976-1979
NSS Grotto #236
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Huntingdon Area Speleological Society
Huntingdon, PA
Years Active 1982-1984
NSS Grotto #288
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Lehigh Valley Grotto
Bethlehem, PA
Years Active 1961-1965, 1967-1979
NSS Grotto #103
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Meadville Moles
Meadville, PA
Years Active 1978-1980
NSS Grotto #253
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Moravian Grotto
Moravian University
Bethlehem, PA
Years Active 1977-1982
NSS Grotto #242
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Reading Grotto
Reading, PA
Years Active 1960-1977
NSS Grotto #94
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Schuykill Valley Grotto
West Hamburg, PA
Years Active 1957-1959
NSS Grotto #73
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Shippensburg State Grotto
Shippensburg, PA
Years Active 1953-1958, 1962-1970
NSS Grotto #47
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Standing Stone Grotto
Huntingdon, PA
Years Active 1954-1957
NSS Grotto #53
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Susquehanna Grotto
Williamsport, PA
Years Active 1988-1990
NSS Grotto #336
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Swarthmore Grotto
Swarthmore, PA
Years Active 1961-1968
NSS Grotto #98
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Westminster Grotto
New Wilmington, PA
Years Active 1981-1986
NSS Grotto #275
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Maryland Grottos |
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Annapolis Grotto
Annapolis, MD
Years Active 1974-1995
NSS Grotto #210
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Frederick Troglophylic Grotto
Frederick, MD
Years Active 1966-1969
NSS Grotto #136
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Hagerstown Grotto
Hagerstown, MD
Years Active 1952-1953
NSS Grotto #44
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Narrows Grotto
Cumberland, MD
Years Active 1972-1976
NSS Grotto #201
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Delaware Grottos |
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University of Delaware Grotto
University Of Delaware
Milford, DE
Years Active 1972-1974
NSS Grotto #198
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New Jersey Grottos |
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South New Jersey Grotto
Vineland, NJ
Years Active 1995-2004
NSS Grotto #397
Tunnel Times |
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