About Hallett Cove Conservation Park
Hallett Cove Conservation Park is a protected coastal reserve in Hallett Cove, about 22 km south of Adelaide in South Australia. It is renowned for its outstanding geological features, including 600-million-year-old Precambrian rocks, Permian glacial pavements with striations, and dramatic coastal cliffs along Gulf St Vincent. The park preserves significant geological, Aboriginal and European heritage and offers interpretive walking trails with coastal views.
Visitors guide
Visitors can explore a rugged coastal landscape of cliffs, rocky beaches, and exposed geological formations along well-marked walking trails and boardwalks. The main Geological Trail features interpretive signage explaining glacial pavements, the Sugarloaf and Amphitheatre formations, and ancient rock layers. Expect panoramic views over Gulf St Vincent, coastal vegetation, birdlife, and access to Hallett Cove Beach via stairs and boardwalk sections.
Key highlights
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Permian glacial pavements with preserved striations from 280 million years ago
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The Sugarloaf and Amphitheatre geological formations
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Coastal cliffs and panoramic views over Gulf St Vincent
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Interpretive Geological Trail with educational signage
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600-million-year-old Precambrian rocks and Waterfall Creek exposures