(Pennsylvania)
Boyd Big Tree Preserve Conservation Area is a 949.49-acre (384.24 ha) Pennsylvania state park in Lower Paxton and Middle Paxton Townships in Dauphin County, Pennsylvania. The land for the conservation area was donated to the state by real estate developer Alex Boyd in 1999. Boyd Big Tree Preserve Conservation Area is a sanctuary for mature trees and an environment education study area. The park is on Blue Mountain just off Pennsylvania Route 443. (Ref: https://en.wikipedia.org/wiki/Boyd_Big_Tree_Preserve_Conservation_Area)