Castle Howard by Hawksmoor. The grounds of Castle Howard are also used as part of at least two charity running races during the year. Located on the Estate, but operating separately to the house and gardens and run by an entirely independent charitable trust, is the Yorkshire Arboretum. Originally created through the enthusiasm and partnership of George Howard (Lord Howard of Henderskelfe) and James Russell, over a period of eighteen years, from 1975 to 1992, it was opened to the public for the first time in 1999 and a new Visitor Centre opened in 2006.The arboretum's extensive and important collection of 6,000
Castle Rising Castle were demolished. It was not until the 19th century, when Mary and Fulke Greville Howard inherited the property, that the castle was renovated and restored. Victorian scholars examined the site, and it was opened to the public. In 1958 the castle passed into the custody of the state, which carried out further stabilisation work and a programme of archaeological investigation. In 1998 English Heritage passed the management of the site back to its current owner, Baron Howard of Rising, who continues to operate the castle as a tourist attraction. Castle Rising comprises three baileys, each defended by large earthworks, covering