Thistle Brook is a short, minor river (brook) in Buckinghamshire, England that is a tributary to the River Thame.Old Maps of Thistle Brook, Buckinghamshire. FrancisFrith.com. Retrieved 17 October 2021.
Located entirely in the Aylesbury Vale district, the brook rises in a farm (historically Thistlebrook farm)Great Britain. Ordnance Survey (1876) "Book of Reference to the Plan of the Parish of ...". Eyre & Spottiswoode. p. 99. Retrieved 17 October 2021. in the civil parish of Mentmore, west of the village of Mentmore and south of Crafton, and flows south-west past Wingrave (located towards the north) and through a culvert under a road in the neighbourhood of Thistlebrook, before flowing into the River Thame.Ordnance Survey (2020) "181: Map of Chiltern Hills North". Ordnance Survey. Retrieved 17 October 2021.
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