Orange sunset over the Southern Ocean framed by Admirals Arch, showing hanging limestone formations and waves breaking against the rocky Kangaroo Island coastline.

    A vivid orange sunset illuminates the Southern Ocean through Admirals Arch, with hanging limestone formations framing the waves and rugged rock platform at Flinders Chase National Park on Kangaroo Island.

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    Admirals Arch

    Landmark

    Admirals Arch is a naturally eroded rock arch at Cape du Couedic in Flinders Chase National Park on Kangaroo Island, South Australia. The arch frames the Southern Ocean through a weathered limestone opening, with a boardwalk descending towards the formation and a colony of long-nosed fur seals occupying the surrounding rocks. The sculptural arch, rugged coastline and resident seals provide opportunities for coastal landscape, wildlife and geological photography.

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    Quick Facts

    Access

    Short Walk

    5–15 min

    Elevation Gain

    30 m

    Best Light

    Morning
    Golden Hour

    Low-angle light reveals the arch's weathered surfaces, while backlighting can illuminate sea spray and strengthen the contrast between the rock opening and ocea

    Why This Light

    Low-Angle Relief
    Backlight / Spray

    Season

    Year-Round Stable

    Summer brings drier coastal vegetation, generally calmer seas and warmer light across the weathered rock, with fur seals occupying the surrounding shoreline. Winter brings rougher Southern Ocean swell, more frequent storm clouds and increased sea spray, while the arch and seal colony remain prominent throughout the year.

    Crowds

    Often Busy

    Restrictions

    Fee Common
    Drone Often Restricted

    Admirals Arch is reached by sealed road within Flinders Chase National Park, with parking near Cape du Couedic Lighthouse. A boardwalk and steps descend towards the main viewing platforms, with some elevation change on the return walk. National park entry fees apply. Visitors must remain behind barriers and on designated paths to protect the fur seal colony and avoid exposed coastal edges. Strong winds, wet surfaces and heavy swell require care. Drone operations require appropriate authorisation.

    Photography Notes

    Use the arch as a natural frame for the Southern Ocean, positioning the opening against waves or distant coastline. Wide lenses capture the curved rock ceiling and foreground formations, while longer focal lengths isolate fur seals resting on surrounding ledges or moving through the surf. Low-angle light reveals weathered rock textures, and backlighting can emphasise spray around the arch. Faster shutter speeds help freeze waves and wildlife movement, while slower exposures can soften water where conditions and a stable viewpoint permit.