Perry Copse Outcrop is a 0.2-hectare (0.49-acre) geological Site of Special Scientific Interest in Fernhurst in West Sussex.

[3] This site dates to the Early Cretaceous, between 140 and 100 million years ago.

The steep banks of a stream expose a 5-metre (16-foot) high section of the Netherside Sand Member, part of the Weald Clay Group.

There are 1 metre (3.3 feet) high fossils of Lycopodites in upright position.

[4] The site is private land with no public access.