Parnell Knob, Mountain summit in Franklin County, Pennsylvania, United States
Parnell Knob is a summit in Franklin County that rises to about 2,021 feet above sea level. The peak sits at the point where Front Mountain and Broad Mountain converge, towering above the nearby village of St. Thomas.
The mountain formed during the Silurian period millions of years ago and is composed of dense Tuscarora quartzite. This hard rock has preserved the peak's shape and resisted erosion throughout geological time.
The summit serves as a reference point for local communities and outdoor enthusiasts who frequent the Appalachian Mountains for recreational activities throughout the seasons.
The summit is accessible via local roads through Franklin County, with marked trails leading from parking areas to the peak. Visitors should prepare for hiking conditions and bring appropriate gear depending on the season.
This geographical formation rises distinctly above the Great Appalachian Valley, marking the convergence point of two significant mountain ranges in Pennsylvania.
Location: Pennsylvania
GPS coordinates: 39.91703,-77.86222
Latest update: December 14, 2025 18:40
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