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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The draft budget for the 2015-16 financial year has now been agreed.
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