Mount Hope Estate is a National Register of Historic Places-listed property in Rapho and Penn Townships, Lancaster County, Pennsylvania, Lancaster County, Pennsylvania. The original estate was the center of operations of the Grubb Family Iron Dynasty during the 19th century and included over 2,500 acres (1,000 ha), a charcoal iron furnace, a grist mill, housing for employees and tenants, plus supporting structures such as a post office, a general store, a railroad station, a school and a church. The existing mansion and grounds remain from what was once a thriving industrial headquarters complex and small village.