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
Ngarua Caves Ngarua Caves The Ngarua Caves are a series of limestone caves in the Takaka Hill range south of Abel Tasman National Park. The caves are located close to Takaka Hill's summit, adjacent to State Highway 60 as it winds its way over the Takaka Hill between Motueka and Upper Takaka. Scheduled tours suitable for people of all ages are provided by a commercial operator from the car park and cafe situated at the cave entrance. The caves cannot be visited unattended. Ngarua Caves contain a variety of cave formations along a comfortable walkway through the caves, as well as notable