Wookey Hole Caves Age, possibly around 250-300 BC, while nearby Hyena Cave was occupied by Stone Age hunters. Badger Hole and Rhinoceros Hole are two dry caves on the slopes above the Wookey ravine near the Wookey Hole resurgence and contain in situ cave sediments laid down during the Ice Age. Just outside the cave the foundations of a 1st-century hut have been identified. These had been built on during the Roman era up to the end of the 4th century. In 1544 products of Roman lead working in the area were discovered. The lead mines across the Mendips have produced contamination of
Cheddar, Somerset the 2005 television programme "Seven Natural Wonders", Cheddar Gorge was named as the second greatest natural wonder in Britain, surpassed only by the Dan yr Ogof caves. There are several large and unique Sites of Special Scientific Interest (SSSI) around the village. Cheddar Reservoir is a near-circular artificial reservoir operated by Bristol Water. Dating from the 1930s, it has a capacity of 135 million gallons (614,000 cubic metres). The reservoir is supplied with water taken from the Cheddar Yeo, which rises in Gough's Cave in Cheddar Gorge and is a tributary of the River Axe. The inlet grate for the