The Callahan House, also known as the Jacob Helm House, is a historic home located in the Delaware Water Gap National Recreation Area south of Milford, in Dingman Township, Pike County, Pennsylvania.
It is a long, 1+1⁄2-story, clapboard-clad frame dwelling with a steep gable roof.
It features exposed chimney backs at the first floor exterior in the Dutch style, and a porch along the newer wing.
[2] It served as an inn, and is believed to have been a station on the Underground Railroad.
[2] It was listed on the National Register of Historic Places in 1979.