Hook Head is of international importance for its outstanding fossils and geological formations. The tip of the headland and its cliffs are popular spots for sea watching for migrant birds, and for whales and dolphins.
The clear waters, reefs and rock pools teem with marine life supporting excellent, species-rich examples of tide-swept communities. Baginbun Head has cliff-nesting birds. A fine example of the Courtmacsherry raised beach may be seen at Wood Village.
Hook Head and a large area of adjoining seabed are Special Area of Conservation (SAC) IE000764 for vegetated sea cliffs, intertidal and offshore reefs and the seabed that is rich in marine life.