Tuscoarora Mountain is a mountain ridge of the Appalachian Mountains

Appalachian Mountains

The Appalachian Mountains #Whether the stressed vowel is or ,#Whether the "ch" is pronounced as a fricative or an affricate , and#Whether the final vowel is the monophthong or the diphthong .), often called the Appalachians, are a system of mountains in eastern North America. The Appalachians...

 in the Ridge and Valley province in central Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

. It reaches its highest point on Big Mountain (Pennsylvania)

Big Mountain (Pennsylvania)

Big Mountain is the high point on the Tuscarora Mountain ridge in south central Pennsylvania in the United States. The . summit is located in the Buchanan State Forest and offers an viewshed that is one of the more stunning in the Commonwealth....

 at 2,458 feet above sea level.

The mountain runs NE–SW, extending from the end of Cove Mountain at Cowans Gap in the south to the Juniata River

Juniata River

The Juniata River is a tributary of the Susquehanna River, approximately long, in central Pennsylvania in the United States. The river is considered scenic along much of its route, having a broad and shallow course passing through several mountain ridges and steeply-lined water gaps...

 at Millerstown

Millerstown, Pennsylvania

Millerstown is a borough in Perry County, Pennsylvania, United States. The population was 679 at the 2000 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.-History:...

 in the north. Part of it forms the border between Fulton

Fulton County, Pennsylvania

Fulton County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 14,845.Fulton County was created on April 19, 1850, from part of Bedford County and named for inventor Robert Fulton.Its county seat is McConnellsburg....

 and Franklin

Franklin County, Pennsylvania

As of the census of 2000, there were 129,313 people, 50,633 households, and 36,405 families residing in the county. The population density was 168 people per square mile . There were 53,803 housing units at an average density of 70 per square mile...

 Counties.

Much of Pennsylvania State Game Lands

Pennsylvania State Game Lands

The Pennsylvania State Game Lands are lands managed by the Pennsylvania Game Commission for hunting, trapping, and fishing. These lands, often not usable for farming or development, are donated to the PGC or purchased by the PGC with hunting license monies.The Pennsylvania Game Commission runs a...

 124 lies on Tuscarora Mountain.

Just north of Cowans Gap the Pennsylvania Turnpike

Pennsylvania Turnpike

The Pennsylvania Turnpike is a toll highway system operated by the Pennsylvania Turnpike Commission in the Commonwealth of Pennsylvania, United States. The three sections of the turnpike system total . The main section extends from Ohio to New Jersey and is long...

 traverses the ridge through the Tuscarora Mountain Tunnel

Tuscarora Mountain Tunnel

Tuscarora Mountain Tunnel is one of four original Pennsylvania Turnpike tunnels still in active use. A second tube was bored in the late 1960s to ease traffic conditions. The Tuscarora Mountain tunnels measure 1.1 miles in length and are the second-longest active tunnels on the Pennsylvania...

.

Geologically, the mountain is held up by the Tuscarora Formation

Tuscarora Formation

The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia.-Description:...

.