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The deepest cave in Wales and the UK is Ogof Ffynnon Ddu, 274.5 metres (901 ft) deep and containing around 50 km (31 mi) of passageways. [ 2 ] The deepest cave in England is the Three Counties System which is 252 metres (827 ft) deep between the entrance of Large Pot, and the deepest point reached by diving in Gavel Pot.
Boyd Cave. Derrick Cave. Fort Rock Cave. Horse Lava Tube System. Lava River Cave. Oregon Caves National Monument. Paisley Caves. Redmond Caves. Sandy Glacier Caves.
Ohio Caverns. / 40.233°N 83.683°W / 40.233; -83.683. Ohio Caverns is a show cave located 30 miles (48 km) from Dayton, Ohio near West Liberty, in Salem Township, Champaign County, Ohio in the United States. A popular tourist destination and member of the National Caving Association, it is the largest of all the cave systems in Ohio ...
This is a partial list of caves in Derbyshire, England, arranged alphabetically. Many lie within the Peak District National Park.. Giant's Hole Great Masson Cavern Poole's Cavern Speedwell Cavern Cave entrance at Harboro' Rocks
A cave or cavern is a natural void under the Earth's surface. [1] Caves often form by the weathering of rock and often extend deep underground. Exogene caves are smaller openings that extend a relatively short distance underground (such as rock shelters). Caves which extend further underground than the opening is wide are called endogene caves ...
Royston Cave is an artificial cave located in Katherine's Yard, Melbourn Street, Royston, England. It is located beneath the crossroads formed by Ermine Street and the Icknield Way. It is protected as both a scheduled ancient monument [ 1] and Grade I listed building. [ 2] It has been speculated that it was used by the Knights Templar, who ...
Megalithic grave Harhoog in Keitum, Sylt, Germany (c. 3000 BC) A megalith is a large stone that has been used to construct a prehistoric structure or monument, either alone or together with other stones. There are over 35,000 in Europe alone, located widely from Sweden to the Mediterranean sea. [ 1]
Speleology (from Ancient Greek σπήλαιον (spḗlaion) 'cave' and -λογία ( -logía) 'study of') is the scientific study of caves and other karst features, as well as their composition, structure, physical properties, history, ecology, and the processes by which they form ( speleogenesis) and change over time (speleomorphology).