Maria Furnace is a South Mountain populated place on Toms Creek in

Adams County, Pennsylvania Adams County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 103,852. Its county seat is Gettysburg. The county was created on January 22, 1800, from part of York County, and was named for the secon ...

, United States, west of Fairfield, that was the location of an 1822 blast furnace until operations were moved to Caledonia. The remains of the original blast furnace ("Maria Furnace") are located at coordinates: 39, 46, 30.64 N, 77, 24, 25.98 W. The remains consist of a pile of rocks in a small wooded area overgrown with vegetation.

References

{{authority control 1822 establishments in Pennsylvania Populated places established in 1822 Unincorporated communities in Adams County, Pennsylvania Unincorporated communities in Pennsylvania