Steep Point, Western Australia: Westernmost Mainland Landmark

Steep Point (Wulyibidi in Malgana) is the westernmost point of the Australian mainland, located on the Peron Peninsula within the Shark Bay World Heritage Area, ~1,200 km north of Perth.

Geographic Significance

• Continental extremity: Defines Australia's western longitudinal limit (113°09′E).
• Ocean convergence: Indian Ocean meets Southern Ocean; extreme currents, rogue waves, upwelling.
• Cliffs: 170 m (560 ft) Zuytdorp Cliffs – among Australia's highest sea cliffs.

Maritime & Navigational Role

• Landfall reference for vessels rounding Australia's west.
• Hazard zone: "Graveyard of ships" – >100 wrecks (e.g., Zuytdorp 1712, Gilt Dragon 1656).
• Lighthouse: None at Steep Point; nearest Cape Inscription (Dirk Hartog Island) and Cape Cuvier.

Ecological Value (Shark Bay WHA Criteria)

• Stromatolites (Hamelin Pool) – oldest living fossils.
• Seagrass meadows – 4,000 km², largest globally; dugong haven (10,000+).
• Marine life: Loggerhead turtles, manta rays, tiger sharks, humpback whales (migration).
• Terrestrial: Threatened mammals (banded hare-wallaby, boodie) on Dirk Hartog Island.

Cultural Heritage

• Malgana & Nhanda peoples – continuous connection >30,000 years.
• Rock art, middens, fish traps on peninsula and islands.
• Dirk Hartog Island – 1616 pewter plate (first European landing record).

Access & Research

• 4WD only – 300 km unsealed from North West Coastal Hwy; permit required (Shark Bay Park Pass).
• Research: CSIRO, UWA, DBCA monitor climate, marine ecology, geomorphology.
• Tourism: Day trips from Denham (100 km); fishing, photography, wilderness camping.