Chillerton Down is downland between the villages of Shorwell and Chillerton, on the Isle of Wight, England.

Description The highest point of the hill is , and its prominence is . There is a trig point within 2 metres of the summit."Chillerton Down" The Mountain Guide. Retrieved 10 November 2021. Part of Chillerton Down is a property of the National Trust."Chillerton Down" The National Trust. Retrieved 10 November 2021. Chillerton Down transmitting station is nearby.

"Five Barrows" earthworks Across a spur of the hill running north-east to south-west, there are earthworks, originally a rampart, thought to be an unfinished promontory fort of the Iron Age. The feature has been called the Five Barrows, because it has sunk in places, giving the appearance of separate mounds. The rampart is about long, wide and up to high, and there is a depression, formerly a ditch, on the south-west side.

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