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Archipelago

    Irish SeaIreland

    53°35′N 6°00′W

    Rockabill

    Rockabill (Irish: Cloch Dábhiolla) is a close pair of islands (Rock and Bill) in the western Irish Sea about 6 kilometres east-north-east of Skerries, County Dublin, Ireland. The two granite islands are separated by a channel about 20 metres wide.

    This picture is a bit grainy as it was taken at great distance and then cropped.
    This picture is a bit grainy as it was taken at great distance and then cropped.

    jaqian from Dublin, Ireland / CC BY 2.0

    Chart

    2 landforms

    Overview

    Rockabill (Irish: Cloch Dábhiolla) is a close pair of islands (Rock and Bill) in the western Irish Sea about 6 kilometres east-north-east of Skerries, County Dublin, Ireland. The two granite islands are separated by a channel about 20 metres wide. On the Rock there is a lighthouse, built 1855–1860 from granite and limestone and automated in 1989, and several walls and outbuildings.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands0
    • Minor islands0
    • Islets2
    • Rocks & skerries0

    Islets

    2

    Figures

    Comparative heights

    Sea level5 m10 m15 m20 m19 mRockabill8 mThe Bill
    High points by island, metres above sea level.

    Islands by area

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Wikipedia

    Photographs