Scaynes Hill is a 0.04-hectare (0.099-acre) geological Site of Special Scientific Interest north-west of Newick in East Sussex.

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

[3] This disused quarry and road section exposes yellow sandstone of the Grinstead Clay, dating to the Valanginian stage around 135 million years ago.

The sandstone was deposited by a meandering river.

[4]