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Map all coordinates in "List of deepest caves" using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates) GPX (primary coordinates) GPX (secondary ...
The route continues through two main caverns, "The Great Cave" and "Roger Rain's House", and into a passage, "Pluto's Dining Room" – This is now the furthest point currently open to the public, but before 1990 the show cave extended almost twice its current length; down "The Devil's Staircase" to "Halfway House" along a raised bank path which ...
Craighead Caverns - also called Lost Sea [1] Cumberland Caverns; Devilstep Hollow Cave; Dunbar Cave; Forbidden Caverns; Hubbard's Cave; Lookout Mountain Caverns; Lost Cove Cave; Nickajack Cave; Raccoon Mountain Caverns; Rumbling Falls Cave; Ruby Falls; Snail Shell Cave; Tuckaleechee Caverns
The Three Counties System is 253 metres (830 ft) deep. The highest point is the entrance to Large Pot which is at an altitude of 402 metres (1,319 ft), and the lowest point is in Gavel Pot where the upstream sump has been dived to a depth of −64 metres (−210 ft), an altitude of 149 metres (489 ft).
Speedwell Cavern is one of the four show caves in Castleton, Derbyshire, England. [1]The cave system consists of a horizontal lead miners' adit (a level passageway driven horizontally into the hillside) 200 metres (660 ft) below ground leading to the cavern itself, a limestone cave.
The cave is essentially horizontal throughout its extent and the passages are typically high and narrow. A great deal of brown and red clay fills most of the cave to a considerable extent; the commercial tour routes involved the removal of up to 4–6 feet (1.2–1.8 m) of this clay in 900 feet (270 m) of the passages.
[2] [8] They had the cooperation of S. E. Lauritzen at the University of Bergen who at the time was the only one in Norway doing professional research on the caves. [ 8 ] Exploration has been undertaken by two Norwegian diving organizations, with Norsk Teknisk Dykkekrets doing much of the early surveying and Reel Action Diving continuing the ...
The dry part of the abyss is 69.5 metres (228 ft) deep. There is a small lake at the bottom. Below the surface, the abyss was mapped to a depth of −170 metres (−560 ft) (Pavel Říha, 2005), followed by a dive to a depth of −181 metres (−594 ft) (Starnawski, 2000) and a 21 June 2012 dive to a depth of −217 metres (−712 ft ...