Cottage in the Pines, also known as Pine Park Cottage and Dunwald Farm, is a national historic district located at Rio in Orange County, New York. The district includes: a large three-story boarding house (c. 1895); a mill and weir (c. 1900); a large woodshop; mill pond; two smaller workshops; a machine shop (c. 1936); bungalow; and several small sheds. The boarding house is a three-story, L-shaped frame building. It features a full width front porch and fishscale shingles. The property reflects the once popular recreational boarding house culture.