following decade, led to its state of dereliction. Description Site/grounds/garden The main components of the group are: House (now ruins) (WO0108) Trees, Gardens & Grounds (WO0109) Underground Water Storage Tank (WO110) Cottage & Brick Outhouse (now ruins) (WO0111). Site/grounds The original access or carriageway probably started at the Chinese funeral cypress (Cupressus funebris) south of the present entrance gate and continued in a line parallel to the present drive. This old line is marked by a regular linear depression in the grass and a double line of European trees, two Lombardy poplars (Populus nigra 'Italica'''), a hoop pine (Araucaria cunninghamii ), a kurrajong (Brachychiton populneus), another cypress and Bunya pine (Araucaria bidwillii). Other European trees mark sites such as a possible former croquet lawn and orchards. The ornamental plantings include relatively rare species of horticultural interest and are thought to have been planted by George Harper. A line some long remains, containing a number of exotic species: a discontinuous series of fairly random plantings, including a Chinese funeral cypress, bunya pine, field elm (Ulmus campestris), kurrajong, cypress and a hoop pine. A solitary specimen of Photinia x serrulata (a Chinese hedging shrub) also remains. Abbotsford Bridge site It is the site of the original timber trestle bridge over Racecourse Creek, at the site of Abbotsford crossing. The timber bridge was replaced with the present concrete road bridge . The location of the earlier Abbotsford bridge and crossing is significant because knowledge of its position contributes to the understanding of the siting of Abbotsford House and its driveway avenue plantings in relation to the Oaks Rd and Abbotsford Road. Grounds/garden The mature trees and remnants of the gardens and grounds of the Abbotsford property have scientific significance as a collection of rare species of horticultural interest and their association with George Harper who was a noted natural history collector. Together with the other components of the Abbotsford group, the plantings provide evidence of the structure and layout of the farm estate. In a wider context, the surviving plantings also illustrate the horticultural practice of plant collecting which was to remain an important influence in the development of gardens of the colony for a substantial period of time. Today, the trees are a landmark and contribute to the character of the rural landscape north-west of Picton. The listing includes all trees and buildings on the land from road to hill top. Buildings