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2025
FALL MAR

September 26-28, 2025

Huntingdon, PA
Hosted by Nittany Grotto

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Mid-Appalachian Region of
the National Speleological Society


The Mid-Appalachian Region (MAR) of the National Speleological Society (NSS) is a regional organization of the NSS consisting of various grottos and organized caving clubs within the general geographic area, or region, of Pennsylvania, Maryland, Delaware, and New Jersey.   Official MAR Logo

The MAR, an internal organization of the NSS, is dedicated to the principles of the NSS, to promote fellowship among its members, and to advance the science of speleology.

The Mid-Appalachian Region of the NSS was officially established on October 10, 1953 at Shippensburg State Teachers College, currently known as Shippensburg University, in Shippensburg, Pennsylvania.

It sponsors two regional field meets (Spring and Fall), and hosts its annual business meeting in the month of February. The region publishes a newsletter, the "MAR Breakdown", which is published three times a year and occasionally publishes county bulletins on Pennsylvania caves.



MAR NEWS AND UPCOMING EVENTS:      - August 27, 2025

2025 FALL MAR     The Nittany Grotto will be hosting the 2025 Spring MAR. The event will be held on the weekend of September 26-28, 2025 at Lincoln Caverns and located in Huntingdon, PA (Huntingdon County). More information and registration regarding this event can be viewed "here"

MAR BREAKDOWN     The August 2025 issue of the MAR Breakdown is now available. Please feel free to take a moment and read this issue and read up on the latest happenings.

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2026 FALL MAR     The MAR continues to look for a volunteer grotto within the region to host the Fall MAR in 2026. Without a host, no fieldmeet. A joint event with adjoining regions (i.e. NRO or VAR) is also welcomed! If interested please contact any of the officers on the MAR Board. and/or present your intentions at the MAR Business Meeting in February.

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