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
Tamana caves Tamana caves Tamana caves (or Tamana cave) is a cave system located on the northern slope of Mount Tamana in eastern Trinidad. Mount Tamana is a 307-metre flat topped hill of Miocene Guaracara Limestone of the Tamana Formation in the eastern Central Range. Julian Kenny described the main cave as consisting of 18 separate sections. He documented two chimneys and a "walk-in chamber". The walk-in chamber connected to a "boulder chamber" that was heavily used by bats, and to a crawl hole which connected to the remainder of the cave system. Beyond the crawl hole was a subterranean stream and