Buckanay Farm Pit, Alderton is a 0.7-hectare (1.7-acre) geological Site of Special Scientific Interest east of Alderton in Suffolk.

[1][2] It is a Geological Conservation Review site.

[3] This fossiliferous site exposes rocks of the marine Red Crag Formation, with a megaripple sequence showing the gradual reduction in depth of the sea.

[4] The Red Crag spans the end of the Pliocene around 2.6 million years ago and the start of the succeeding Pleistocene.

[5] There is access to the site from Buckanay Lane.