Fairmount Park is the largest park in Philadelphia. It is about 2,000 acres. The park is on both sides of the Schuykill river. It is in the northwest part of Philadelphia. There is an East and West section. The park includes sites like the Centennial Arboretum, a Horticulture Center, Fairmount Water Works, Memorial Hall (home of the Please Touch Museum), Shofuso Japanese House and Garden, Boathouse Row and Smith Memorial Playground and Playhouse.