It is located in the valley of the River Ouse between Lewes and Newhaven, five miles (8 km) south of the former, downstream of Southease.

The western end is scruffy and there were many rabbits until a few years ago, so you might find hound’s tongue and wild thyme and other open ground short-lived species.

The eastern end of the Downslope has old Down pasture perennials, like round-headed rampion, horseshoe vetch, Devil's bit scabious and Autumn Ladies'-tresses orchid.

The south slope of Broadgreen Bottom has a long Gorse bank that is used for game bird cover.

[8] The Money Burgh (TQ 424 036) is a Neolithic long barrow dominating the narrow strait of the Ouse valley.

[10] The Burgh still has round-headed rampion and other old herbs upon it, although it is surrounded by the "improved" horse fields of Dean’s Farm.

It has chalk grassland on both its south and north slopes, and the lower valley has a finger of brook meadows, with old flint walls and reedy ditches.

The spur’s wooded slope overlooking the Newhaven Road is even steeper and is likely to be an ancient river cliff.

Activists were quick to inform DEFRA who instructed the farmer to remove it, although the pen is still on a part of the site.

[8] Nore Down (TQ 431 023) has a rumpled top that marks the presence of the Tertiary sands and clays underneath.

The election on 4 May 2023 returned a Liberal Democrat[14] East Sussex County Council is the next tier of government, for which Piddinghoe is within the Newhaven and Ouse Valley West division, with responsibility for education, libraries, social services, civil registration, trading standards and transport.

Prior to Brexit in 2020, the village was part of the South East England constituency in the European Parliament.