Conococheague Mountain Tunnel - AbsoluteAstronomy.com

The Conococheague Mountain Tunnel was a proposed railroad tunnel in Perry County, Pennsylvania

Perry County, Pennsylvania

As of the census of 2000, there were 43,602 people, 16,695 households, and 12,320 families residing in the county. The population density was 79 people per square mile . There were 18,941 housing units at an average density of 34 per square mile...

. It was originally planned as part of the Path Valley Railroad

Path Valley Railroad

The Path Valley Railroad was a proposed narrow gauge railroad in Perry and Franklin Counties, Pennsylvania, USA.Intended as an extension of the Newport and Shermans Valley Railroad, it was to begin at that railroad's terminus in New Germantown and run southward along Sherman Creek and Big Spring Run...

, with the intent to link the Newport and Shermans Valley Railroad

Newport and Shermans Valley Railroad

The Newport and Shermans Valley Railroad was a nineteenth century, narrow gauge railroad in Pennsylvania. It ran from Newport, Pennsylvania to New Germantown, Pennsylvania. It carried lumber, and transferred it to the standard gauge Pennsylvania Railroad at Newport...

with 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...

and the Tuscarora Valley Railroad

Tuscarora Valley Railroad

The Tuscarora Valley Railroad was a narrow gauge shortline that operated in central Pennsylvania from 1891 to 1934.-Construction and plans for extension:...

further west. Only about 100 feet of either end of the planned 2600 foot tunnel was completed in 1894.
The partially completed tunnel exists in Big Spring State Park

Big Spring State Park (Pennsylvania)

Big Spring State Park is a Pennsylvania state park in Toboyne Township, Perry County, Pennsylvania in the United States. The park is on Pennsylvania Route 274, southwest of New Germantown. Big Spring State Park is a hiking and picnic area...

and Tuscarora State Forest

Tuscarora State Forest

Tuscarora State Forest is a Pennsylvania state forest in Pennsylvania Bureau of Forestry District #3. The main office is located in Blain in Perry County, Pennsylvania in the United States....

. The north portal of the tunnel is still visible, but fenced off.

See also