Palm Grove Nature Reserve is significant because of its natural and cultural values, including:
Landscape and catchment values
- The reserve forms part of a forested protected corridor that provides landscape connectivity between the northern outskirts of Sydney and the Hunter Valley.
- The network of creeks draining the reserve contributes to the catchment values of Ourimbah Creek and the Tuggerah Lake system.
- The reserve is part of an important corridor for wildlife movement connecting landscape values such a ridgelines and creeks.
- It protects regionally important remnant forest communities, including two endangered ecological communities and habitat for two threatened species of native plant.
- The reserve provides habitat for a diversity of wildlife, particularly frogs and reptiles, including 14 threatened animal species.
Aboriginal heritage values
- Aboriginal sites within the reserve provide evidence of previous occupation, including rock shelters with art (charcoal and pigment drawings, stencils and paintings), grinding grooves, earth mounds with shells, and stone artefacts.
Historic heritage values
- A memorial located within the reserve recognises the contribution made by local conservationists in establishing the reserve.
- The reserve retains historical links to early land-use practices of the Ourimbah area.
Recreation and tourism values
- The reserve provides excellent recreational opportunities to explore, learn and interact with nature, including bushwalking along a section of the Great North Walk.
Research and education values
- The diversity of the reserve’s natural and cultural values provides opportunities for community education and outdoor learning experiences.
- There is opportunity for regionally significant research into the reserve’s reptiles and amphibians.