The famous red and white cliffs that can be seen when crossing the River Severn contain a highly productive bone bed at the top from the Rhaetian Penarth series. This bed is full of teeth, and reptile and fish remains, and is the most productive Triassic site in the UK. Triassic, Jurassic, Cliffs and Foreshore, Rating: ♦♦♦♦♦