Harriet Tubman Underground Railroad State Park is a Maryland state park dedicated to the life and work of abolitionist and Underground Railroad activist Harriet Tubman. The park is on Route 335 near Church Creek in Dorchester County, adjacent to Blackwater National Wildlife Refuge. The park, which was created in 2007 through a land swap with the U.S. Fish and Wildlife Service, is being developed in conjunction with the Harriet Tubman Underground Railroad National Historical Park and is the trailhead for the 125-mile Harriet Tubman Underground Railroad Byway and All American Road.