Wednesday 23 July,
1:10am - 1:40amon BBC Two
Weatherman Walking
Series 7 Episode 2: Caldey and Carreg CennenDerek heads west for two walks - one down by the sea and the other up in the hills with an iconic castle as its centrepiece. He first takes a hop across the water from Tenby to Caldey Island, then he takes a circular walk around Carreg Cennen Castle.
Cast and crew
