Jacks Mountain Tunnel
# Jacks Mountain Tunnel

Jacks Mountain Tunnel is a railroad tunnel located in Adams County, Pennsylvania about 2.5 miles (4.0 km) southwest of Fairfield. It was built in 1889 by the Baltimore and Harrisburg Railway, which was later acquired by the Western Maryland Railway. The tunnel is currently owned by CSX Transportation and operates as part of the Hanover Subdivision.

