Hundreds of people are expected to attend a fun family day on the shores of Windermere.
It's raising money for the Brathay Trust near Ambleside, which gives educational outdoor holidays to young people. It helps around 6000 teenagers from all over the UK.
This year's theme is 'Chapatti in the Park'.
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Kerrie brings you Sunday night's forecast
The highest risk of snow is from the NW later on Monday into Tuesday. For all it will remain cold with raw days and frosty, icy nights
Wintry start for some and windy. Brightening later