Festival favourites James took to the stage on the opening night to play classics from their back catalogue.
Revellers saw world class DJ sets from the likes of Rudimental, Wilkinson and Crazy P Soundsystem plus high energy vocals from Becky Hill and Ella Eyre.
The Lovely Eggs took to the stage in their hometown.
Families enjoyed a number of free events and activities at The Big Family Day out on Sunday.
The event came to a close on Sunday night with a final night of live performances with Rick Astley headlining, with special guest Sophie Ellis-Bextor, and supported by The Cuban Brothers.
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Becky Hill at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Becky Hill at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Ella Eyre at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Ella Eyre at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Crowds watch James perform at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Crowds cheer on James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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James at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Sam Devine at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler
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Wilkinson at Highest Point festival. Picture by Robin Zahler. Photo: Robin Zahler.
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler
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Highest Point festival at Williamson Park in Lancaster. Picture by Robin Zahler. Photo: Robin Zahler