Barree Forge and Furnace

Barree Forge and Furnace, now known as Greene Hills Methodist Camp, is a national historic district located at Porter Township in Huntingdon County, Pennsylvania. It consists of two contributing buildings, one contributing site, and one contributing structure associated with a former ironworks. They are the ironmaster's mansion, furnace stack, a barn, and the site of the Barree iron forge built about 1797. The ironmaster's mansion was built in the 1830s, and is a 2 1/2-story brick house painted white. The furnace stack dates to 1864, and is a 30-foot square, coursed limestone structure. It measures between 6 and 15 feet tall. The ironworks closed in the 1880s. The property was acquired in 1963, by the United Methodist Church for use as a church camp.

It was listed on the National Register of Historic Places in 1990.