Yellow Creek State Park is a Pennsylvania state park on 2,981 acres (1,206 ha) in Brush Valley and Cherryhill Townships, Indiana County, Pennsylvania in the United States. It is along Yellow Creek and Little Yellow Creek. The old Kittanning Path goes through the parkland. The park was established in 1963. An additional 159 acres (64 ha) of developed land were purchased in 1982. Yellow Creek Lake, a 720-acre (290 ha) man-made lake, was built in 1969 by an earth and rock dam on Yellow Creek. Yellow Creek State Park is between the boroughs of Ebensburg and Indiana on U.S. Route 422.