하트 우드 에이커 스-블루 블레이즈 트레일

Hartwood Acres is a 629-acre (255 ha) county park in Allegheny County, Pennsylvania in the United States. Hartwood is considered the crown jewel of the county's 12,000-acre (4,900 ha) network of nine distinct parks.Purchased by the county in 1969, its special feature is one of the largest and most spectacular country estates in the region.