​OLD FORGE, a borough of Lackawanna county, Pennsylvania, U.S.A., on the Lackawanna river, about 6 m. S.W. of Scranton. Pop. (1900) 5630, of whom 2494 were foreign-born (principally Italians). It is served by the Delaware, Lackawanna & Western and the Lehigh Valley railways. The principal public buildings are the town-hall and the high school. The borough is situated in the anthracite coal region, and the mining of coal is the principal industry, though there are also various manufactures. Old Forge was settled in 1830 and incorporated as a borough in 1899.