Rays Hill is a mountain ridge in Pennsylvania's Ridge and Valley Appalachians region. Rays Hill is bordered to the east by Sideling Hill

Sideling Hill

Sideling Hill is a long, steep, narrow mountain ridge in the Ridge-and-Valley physiographic province of the Appalachian Mountains, located in Washington County in western Maryland and adjacent West Virginia and Pennsylvania, USA...

. About halfway along its run, the west side of Rays Hill ties into Broad Top Mountain, a large plateau. On its west it is bordered by Tussey Mountain

Tussey Mountain

]Tussey Mountain is a stratigraphic ridge in central Pennsylvania, United States, trending east of the Bald Eagle, Brush, Dunning and Evitts Mountain ridges...

 south of Broad Top Mountain and Rocky Ridge north of Broad Top Mountain.

The ridge is known both as Rays and Wrays. To the north of Broad Top Mountain it is most often spelled Wrays and to the south most often Rays.

The southern section holds the Rays Hill Tunnel

Rays Hill Tunnel

Rays Hill Tunnel is one of three original Pennsylvania Turnpike tunnels which were abandoned after two massive realignment projects. The others included the Sideling Hill Tunnel, and further west, the Laurel Hill Tunnel. The reason for abandonment was because it was thought to be less expensive...

, one of the abandoned tunnels

Abandoned Pennsylvania Turnpike

The Abandoned Pennsylvania Turnpike is the common name of a 13 mile stretch of the Pennsylvania Turnpike that was bypassed in 1968 when a modern stretch opened to ease traffic congestion in the tunnels. In this case, the Sideling Hill Tunnel and Rays Hill Tunnel were bypassed, as was one of the...

 of the Pennsylvania Turnpike. The northern section holds Wrays Hill Tunnel, one of two on the East Broad Top Railroad

East Broad Top Railroad

The East Broad Top Railroad and Coal Company is a for-profit heritage railroad headquartered in Rockhill Furnace, Pennsylvania, north of Interstate 76 and south of U.S. Route 22, the William Penn Highway. The railroad operates excursion trains on a seasonal schedule.-History:The East Broad Top...

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This mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 ridge forms the boundary between 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 south 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...

, and also extends northward into Huntingdon County

Huntingdon County, Pennsylvania

Huntingdon County is a county located in the U.S. state of Pennsylvania. In 2010, its population was 45,913.Huntingdon County was created on September 20, 1787, from part of Bedford County. Its county seat is Huntingdon.-Geography:According to the U.S...

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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 Rays Hill.

Geology

Rays 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 southeast. 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 northwest flank of the mountain below the Pocono. Town Hill

Town Hill

Town Hill is a mountain range located in Allegany County, Maryland and Bedford and Fulton Counties in Pennsylvania. 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...

, to the west, and Rays 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...

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