Ridley Creek State Park is a 2,606-acre (1,055 ha) Pennsylvania state park in Edgmont, Middletown and Upper Providence Townships, Delaware County, Pennsylvania in the United States. The park, about 5 miles (8 km) north of the county seat of Media, offers many recreational activities, such as hiking, biking, fishing, and picnicking. Ridley Creek passes through the park. Highlights include a 5-mile (8 km) paved multi-use trail, a formal garden designed by the Olmsted Brothers, and Colonial Pennsylvania Plantation, which recreates daily life on a pre-Revolutionary farm. The park is adjacent to the John J. Tyler Arboretum.