A typical river valley geological make up
The upstream section of the site from Redhill to Water Lane Farm (Brecon Close BH10 7DX) has a geology typical of river valleys, comprising alluvial deposits.
From Redhill downstream, there is a very narrow band of alluvium along the river channel that then givesway to valley gravel.
At Redhill, where the ground rises quite steeply away fromthe river, the geology is typical of that underlying local dry heathland. Herethere are Bagshot Beds of sand, brickearth, pipe-clay and lignite, which extend almost down to the river itself.
Get in touch with us, or call into the Visitor Centre, if you'd like to know more about the area's geological make-up.