We've created picture galleries for every walk from the series, featuring the routes, scenery, crew, Derek and guides. Browse the galleries below to find out more about each walk.
Weatherman walks
Have a go
Try one of the walks from Derek's latest walking series on BBC One Wales.
Nature & outdoors blog
A snake in the pond
The grass snake Narix natrix or more aptly named water snake is ...
By: Martin Aaron
Weatherman walking map
Explore Wales
Follow in Derek's footsteps as he walks through stunning locations in Wales.
Extreme weather
Video clips
A collection of archive clips showing extreme weather conditions in Wales.
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