Great Masson Cavern is one of two caves at the

Heights of Abraham The Heights of Abraham is a tourist attraction in Matlock Bath, Derbyshire, England. It consists of a hilltop park on top of Masson Hill, accessed from the village by either the Heights of Abraham cable car or a steep zig-zag path. The heights ...

Matlock Bath Matlock Bath is a village and civil parish in Derbyshire, England. It lies in the Peak District, south of Matlock on the main A6 road, and approximately halfway between Buxton and Derby. The population of the civil parish at the 2011 census was ...

Derbyshire Derbyshire ( ) is a ceremonial county in the East Midlands, England. It includes much of the Peak District National Park, the southern end of the Pennine range of hills and part of the National Forest. It borders Greater Manchester to the nor ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

. The other is

Great Rutland Cavern Great Rutland Cavern is one of two caves at the Heights of Abraham, Matlock, Derbyshire, England. The other is Great Masson Cavern Great Masson Cavern is one of two caves at the Heights of Abraham, Matlock Bath, Derbyshire, England. The other i ...

Great Masson Cavern is notable for its lack of

stalactite A stalactite (, ; from the Greek 'stalaktos' ('dripping') via ''stalassein'' ('to drip') is a mineral formation that hangs from the ceiling of caves, hot springs, or man-made structures such as bridges and mines. Any material that is soluble an ...

s and

stalagmite A stalagmite (, ; from the Greek , from , "dropping, trickling") is a type of rock formation that rises from the floor of a cave due to the accumulation of material deposited on the floor from ceiling drippings. Stalagmites are typically ...

s, as the cave is coated in a

clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4). Clays develop plasticity when wet, due to a molecular film of water surrounding the clay par ...

-like substance that inhibits deposition. However, it still has some rock formations such as "the Owl" and "the Rabbit". It was first opened to visitor viewing in Victorian times and had been mined for

fluorspar Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scal ...

prior to the opening to visitors.Peak District Mines Historical Society
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References

Caves of Derbyshire Show caves in the United Kingdom {{Derbyshire-geo-stub