Widdenton Park Wood is a 23.5-hectare (58-acre) Site of Special Scientific Interest west of High Wycombe in Buckinghamshire.

It is on the site of a medieval deer park going back to the fourteenth century, and most of it is in the Chilterns Area of Outstanding Natural Beauty.

[1][2][3] The wood is ancient semi-natural oak-beech woodland, which supports a varied flora including several uncommon species.

The most important feature is a number of extensive spring-fed mires, dominated by willow and birch.

[1] The site is open to the public,[3] and there is access by footpaths from Marlow Road.