Orchard Hills, New South Wales, is located in the centre of the City of Penrith. Sydney Water's supply pipeline is its southern boundary line, while the suburbs of St Clair and Erskine Park border the suburb to the east. Kingswood and Claremont Meadows are northern neighbours and Glenmore Park, South Penrith and the rural areas of Wallacia and Mulgoa comprise the western boundary.

Orchard Hills has a predominately rural character with undulating hills and scenic vistas. Its landscape is mainly overlaid with orchards and grapevines with some housing development in recent years. This suburb epitomises the City of Penrith's vision of a region with a harmony of urban and rural qualities.