Health Walk - Black Rock Walk

Sudbrook Camp is a late iron age cliff top camp or fort, one of several along the South Wales coast. It was probably build by the Silures, who occupied this area when the Romans arrived.
The ruined Sudbrook Chapel dates from the 12th Century. The last person to be buried in the churchyard was a sea captain in 1757. Although already in a state of disrepair, the chapel ruins were protected from erosion by the dumping of rubble from the construction of the Severn Tunnel.
The Great Western Railway Company built the Severn Tunnel in 1873-86. This reduced the journey time from Cardiff to London by one hour at the enormous cost (at the time) of £2 million. The first train to make the journey was fuelled by Welsh coal from the company’s mines at Blaenavon.