Mendip Hills to the development of cave diving in Britain. The first cave dive was attempted at Swildon's Hole in 1934, and the first successful dive was achieved the following year at Wookey Hole Caves, which has the deepest sump in Britain at 76 m (250 ft). The cave complexes at St. Dunstan's Well Catchment, Lamb Leer, and Priddy Caves have been identified as Sites of Special Scientific Interest. The deepest cave in the Mendip Hills is Charterhouse Cave with a vertical range of . Many caves in the Mendip area were excavated for archaeological and natural history studies by pioneer explorer
Borra Caves forts. This species has short and slender musculature with large, well developed eyes. They feed on flowers and fruits, particularly jamun, guava, silk, cotton and mango. "Habrobathynella borraensis" was described from the Borra Caves. It is the first Indian cavernicolous species of the genus "Habrobathynella". The caves are located in the Ananthagiri hills range of the Araku valley of the Visakhapatnam district in Andhra Pradesh. The caves are from Bhubaneshwar in Odisha and from Hyderabad, both via National Highway 5. The caves are well connected by road, rail and air services. The nearest international airport is Visakhapatnam Airport, from Borra