Global Geoparks Network
The valley is on two branches of a major geological fault at the edge of the South Staffordshire coalfield, and so there is great geological diversity. These features, meeting the criteria specified by the Global Geoparks Network, make it a geosite within the Black Country Geopark. Turner's Hill, within the reserve at , area , is a Site of Special Scientific Interest for its geology: important strata of the late Silurian period can be seen.