Heacham Brick Pit is a 0.8-hectare (2.0-acre) geological Site of Special Scientific Interest in Heacham, north of King's Lynn in Norfolk, England.

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

[3] This is the only site which gives access to examine the Lower Cretaceous Snettisham Clay.

It has Lower Barremian ammonite fossils, dating to around 130 million years ago.

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