activity parallelled the post-WWII change to airborne migration. Finally, the Station was the setting for socio-political dramas such as the revolt of the returned and quarantined troops after WWI; and the confrontations between secular and religious authorities in NSW over access by religious entities to the Quarantine Station. The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales. European/Asian heritage The Quarantine Station has a cultural landscape that is distinctly associated with its unusual functions. It was a landscape of rigid control, which is associated with and reinforced the institutional and functional nature of the place. The present day Harbour context is now recognised as being a visually attractive setting of natural bush and harbour views. The unity of the design and form of the buildings, set within grassy precincts, which convey a pleasant village-like feeling, unusual within the Sydney metropolitan area. The Quarantine Station bears witness to the evolution of public health policy in NSW and Australia generally, and the development of practices and procedures designed to protect the colony, state and nation from infectious disease. The quarantine system, which reached its full form in the first decades of this century, was a significant technical achievement, and was in part developed at the North Head Quarantine Station where it is well demonstrated in the surviving fabric. Aspects of this technical achievement can be seen in the remanent quarantine technology at the Station e.g. The fumigation chamber, shower blocks and autoclaves. Natural heritage The aesthetic characteristics derived from the natural values of heath vegetation and sandstone cliff geomorphology within the Quarantine Station are an integral part of the outstanding aesthetic values of North Head conserved as part of the Sydney Harbour National Park. These values are derived from the expanse of uninterrupted cliff face and vegetated headlands. They are appreciated and enjoyed both from offshore and within Port Jackson. Together with those of South Head, they have enormous emotional impact on people arriving and leaving Sydney by sea. This impact is greater because the sheer cliff faces are capped with continuous low heath vegetation rather than tall forest or prominent buildings. Spectacular views of the drowned valley system of North and Middle Harbours are seen from within the Quarantine Station. The place has strong or special association with a particular community or cultural group in New South Wales for