The money collected for car parking goes towards maintaining over 1000 acres of grass land.
The price of car parking at Bradgate Park has increased to £5.50 for a full day over the weekend.
The charity has said that car parking fees are an essential source of income for the Trust.
Bradgate Park Trust said: "Unfortunately, the Trust are not immune to recent increases in running costs.
"Thank you for your understanding. Your support helps us to care for the Bradgate estate today, and for generations to come."
The money collected for car parking goes towards maintaining over 1000 acres of grass, bracken, rocky outcrops, woodland, streams, and wildlife across Bradgate Park and Swithland Wood.
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