Town Hill is a mountain range

Mountain range

A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain...

 located in Allegany County, Maryland

Allegany County, Maryland

Allegany County is a county located in the northwestern part of the US state of Maryland. It is part of the Cumberland, MD-WV Metropolitan Statistical Area. As of 2010, the population was 75,087. Its county seat is Cumberland...

 and Bedford

Bedford County, Pennsylvania

Bedford County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 49,762. The county seat is Bedford. It is part of the Altoona, Pennsylvania, Metropolitan Statistical Area.- History :...

 and 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....

 Counties in 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...

. Its southern end is 2.25 miles northwest of Kiefer in Allegany County. It trends northeasterly, and ends about 1.5 miles south of the town of Emmaville in Fulton County. Its highest elevation is 2000 feet.

Interstate 70

Interstate 70 in Pennsylvania

In the U.S. state of Pennsylvania, Interstate 70 runs east–west across the southwest part of the state serving the southern half of the Pittsburgh metropolitan area. About half of the route is concurrent with Interstate 76 along the Pennsylvania Turnpike...

 crosses Town Hill.

Part of Buchanan State Forest

Buchanan State Forest

Buchanan State Forest is a Pennsylvania State Forest in Pennsylvania Bureau of Forestry District #2. The main office is located in McConnellsburg in Fulton County, Pennsylvania, in the United States...

 lies on Town Hill in Fulton County.

Geology

Town Hill is held up by the Mississippian Pocono Formation

Pocono Formation

The Mississippian Pocono Formation is a mapped bedrock unit in Pennsylvania, Maryland, and West Virginia, USA. It is also known as the Pocono Group in Maryland and West Virginia,...

, which dips

Strike and dip

Strike and dip refer to the orientation or attitude of a geologic feature. The strike line of a bed, fault, or other planar feature is a line representing the intersection of that feature with a horizontal plane. On a geologic map, this is represented with a short straight line segment oriented...

 to the northwest. The Mississippian-Devonian Rockwell Formation

Rockwell Formation

The Rockwell Formation is a late Devonian and early Mississippian mapped bedrock unit in West Virginia, Maryland, and Pennsylvania, in the United States.-Description:...

 and Devonian

Devonian

The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...

 Catskill Formation are exposed on the southeast flank of the mountain below the Pocono. Rays Hill

Rays Hill

Rays Hill is a mountain ridge in Pennsylvania's Ridge and Valley Appalachians region. Rays Hill is bordered to the east by Sideling Hill. About halfway along its run, the west side of Rays Hill ties into Broad Top Mountain, a large plateau...

, to the east, and Town Hill form a syncline

Syncline

In structural geology, a syncline is a fold, with younger layers closer to the center of the structure. A synclinorium is a large syncline with superimposed smaller folds. Synclines are typically a downward fold, termed a synformal syncline In structural geology, a syncline is a fold, with younger...

.