Wookey Hole Caves planning permission. Wookey Hole Caves Wookey Hole Caves () are a series of limestone caverns, a show cave and tourist attraction in the village of Wookey Hole on the southern edge of the Mendip Hills near Wells in Somerset, England. The River Axe flows through the cave. It is a Site of Special Scientific Interest (SSSI) for both biological and geological reasons. Wookey Hole cave is a "solutional cave", one that is formed by a process of weathering in which the natural acid in groundwater dissolves the rocks. Some water originates as rain that flows into streams on impervious rocks
River Wensum SSSI River Wensum SSSI The River Wensum SSSI is a 'whole river' Site of Special Scientific Interest located on the River Wensum that flows through the English county of Norfolk. The river was designated a SSSI in 1993 and a Special Area of Conservation SAC in 2000. It covers of the Upper Wensum from its source close to South Raynham downstream to Hellesdon Mill an area of . The Wensum's upper reaches are fed by springs that rise from chalk and was selected as being one of the best examples of a lowland chalk and oolite river type III. There are