List Of Sinkholes
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sinkhole A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are locally also known as ''vrtače'' and shakeholes, and to openi ...
s,
blue hole A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock ( limestone or coral reef). Their existence was discovered in the late 20th century by fishe ...
s, dolines, crown holes,
cenote A cenote ( or ; ) is a natural pit, or sinkhole, resulting from the collapse of limestone bedrock that exposes groundwater. The regional term is specifically associated with the Yucatán Peninsula of Mexico, where cenotes were commonly used for ...
s, and
pit cave A pit cave, shaft cave or vertical cave—or often simply called a pit (in the US) and pothole or pot (in the UK); jama in South Slavic languages scientific and colloquial vocabulary (borrowed since early research in the Western Balkan Dinaric ...
s. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Some are caused by karst processes—for example, the chemical dissolution of
carbonate rocks Carbonate rocks are a class of sedimentary rocks composed primarily of carbonate minerals. The two major types are limestone, which is composed of calcite or aragonite (different crystal forms of CaCO3), and dolomite rock (also known as doloston ...
or
suffosion Suffosion is one of the two geological processes by which subsidence sinkholes or dolines are formed, the other being due to collapse of an underlying cave or void, with most sinkholes formed by the suffosion process. Suffosion sinkholes are normall ...
processes. Sinkholes vary in size from both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide.


21st century sinkholes

* 2007 Guatemala City sinkhole – a deep sinkhole which formed in Guatemala City in 2007, due to sewage pipe ruptures. * 2010 Guatemala City sinkhole – a disaster in which an area approximately across and deep collapsed in Guatemala City, swallowing a three-story factory. * 2012 Ottawa sinkhole – Regional Road 174 at the Jeanne D'Arc interchange on September 4, 2012. * 2014 Ottawa sinkhole – at the LRT tunnelling site at Waller Street, just south of Laurier Avenue on February 21, 2014. * 2014 National Corvette Museum sinkhole – a sinkhole at 350 Corvette Drive,
Bowling Green, Kentucky Bowling Green is a home rule-class city and the county seat of Warren County, Kentucky, United States. Founded by pioneers in 1798, Bowling Green was the provisional capital of Confederate Kentucky during the American Civil War. As of the 2 ...
. * 2016 Ottawa sinkhole – Rideau Street was closed to all traffic from June 8 to July 2, 2016 after it collapsed above excavations being made for the Rideau station of the
Confederation Line The Confederation Line (french: Ligne de la Confédération), also called O-Train Line 1 (french: Ligne 1 de l'O-Train), is a light rail line operated by OC Transpo in Ottawa, Ontario, Canada, as part of the city's O-Train light rail system. I ...
. * 2016 Florence sinkhole – a sinkhole, thought to have been caused by a bursting of a water pipe, opened up a hole on the Arno river bank in Florence. * 2016 Ruijin sinkhole – four cars fell into a sinkhole in Ruijin City.
2018 Surabaya City sinkhole
- a wide and deep sinkhole opened up on Gubeng Road in
Surabaya Surabaya ( jv, ꦱꦸꦫꦧꦪ or jv, ꦯꦹꦫꦨꦪ; ; ) is the capital city of the Provinces of Indonesia, Indonesian province of East Java and the List of Indonesian cities by population, second-largest city in Indonesia, after Jakarta. L ...
during construction work on December 18, 2018.
2022 Tierra Amarilla sinkhole
- a wide and more than deep sinkhole appeared in the commune of Tierra Amarilla, Atacama region of
Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
close to the Alcaparrosa copper mine on August 1, 2022. The sinkhole continued to grow and stretched in diameter on August 8.


Sinkholes of Australia

*
Ewens Ponds Ewens Ponds is a series of three water-filled limestone sinkholes in the Australian state of South Australia located in the gazetted locality of Eight Mile Creek, on the watercourse of Eight Mile Creek about south of Mount Gambier and eas ...
– series of three water-filled limestone sinkholes on Eight Mile Creek south of Mount Gambier and east of Port Macdonnell, South Australia. *
Fossil Cave Fossil Cave (5L81), formerly known as The Green Waterhole, is a cave in the Limestone Coast region of south-eastern South Australia. It is located in the gazetted locality of Tantanoola about north-west of the city of Mount Gambier, only ...
- a karst sinkhole in South Australia. *
Kilsby sinkhole The Kilsby sinkhole is a sinkhole located near Mount Gambier in South Australia. Since the late 1960s, the naturally occurring karst sinkhole has been used for recreational diving as well as civilian and police diver training. History The sinkh ...
– in Mount Gambier, Southern Australia. *
Koonalda Cave Koonalda Cave is a cave in the Australian state of South Australia, on the Nullarbor Plain in the locality of Nullarbor. It is notable as an archeological site.
– a cave located in Nullarbor Plain within South Australia. *
Little Blue Lake Little Blue Lake is a water-filled doline in the Australian state of South Australia located in the state's south-east in the locality of Mount Schank about south of the municipal seat of Mount Gambier. It is notable locally as a swimming ...
– water-filled doline located near Mount Schank in South Australia. * Numby Numby – a sinkhole located west-northwest of Borroloola in the Northern Territory of Australia. * Piccaninnie Ponds Conservation Park *
The Grotto, Victoria The Grotto () is a sinkhole geological formation and tourist attraction, found on the Great Ocean Road outside Port Campbell in Victoria, Australia Victoria is a state in southeastern Australia. It is the second-smallest state with a la ...
– a sinkhole geological formation and tourist attraction, found on the Great Ocean Road outside Port Campbell in Victoria, Australia.


Sinkholes of Brazil

* Buraco das Araras (Goiás) – one of the largest quartzitic caves located in the State of Goiás, Brazil. Considered one of the largest sinkholes (dolinas) in the world * Gruta do Centenário – a cave located in the municipality of Mariana, Brazil, the largest and deepest quartzite cave in the world, and second in the country in terms of unevenness * Lapa Terra Ronca – a dolomitic limestone cave inside the area of the Terra Ronca State Park in Brazil


Sinkholes of China

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Dragon Hole Dragon Hole, also known as Yongle Blue Hole named after the third Ming emperor, is the deepest known blue hole in the world at deep. It is located about north of Drummond Island in the Paracel Islands. Blue holes generate a distinctive blue c ...
- the deepest underwater sinkhole (
blue hole A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock ( limestone or coral reef). Their existence was discovered in the late 20th century by fishe ...
), located in the Drummond Island reef of the
Paracel Islands The Paracel Islands, also known as the Xisha Islands () and the Hoang Sa Archipelago ( vi, Quần đảo Hoàng Sa, lit=Yellow Sand Archipelago), are a disputed archipelago in the South China Sea. The archipelago includes about 130 small coral ...
in the South China Sea. It is worth noting the Paracel Islands are disputed territory, claimed by the Peoples Republic of China, Republic of China (Taiwan), and Vietnam. *
Xiaozhai Tiankeng The Xiaozhai Tiankeng (), also known as the Xiaozhai Heavenly Pit, is the world's deepest sinkhole and also the largest in the Shaanxi cluster. It is located in Fengjie County of Chongqing Municipality in China. Dimensions The Xiaozhai Tianke ...
- the deepest sinkhole in the world (over 2,100 feet), located in Fenjie Count of Chongqing Municipality.


Sinkholes of Croatia

* Blue Lake – a karst lake located near Imotski in southern Croatia * Red Lake – a sinkhole containing a karst lake near the city of Imotski, Croatia


Sinkholes of the Czech Republic

*
Hranice Abyss Hranice Abyss ( cs, Hranická propast) is the deepest flooded pit cave in the world. It is a karst sinkhole near the town of Hranice, Czech Republic. The greatest confirmed depth is , of which is underwater. In 2020, a scientific expedition to ...
– the deepest abyss in the Czech Republic, located near the town of Hranice (Přerov District) *
Macocha Gorge The Macocha Abyss, also known as the Macocha Gorge, is a sinkhole in the Moravian Karst cave system of the Czech Republic. The sinkhole is deep, which makes it the deepest of its kind (light hole type) in Central Europe. It is a popular tourist at ...
– a sinkhole in the Moravian Karst cave system of the Czech Republic *
Punkva Caves The Punkva Caves (Czech: ''Punkevní jeskyně'') are a cave system of the Czech Republic located north of the city of Brno, near the town of Blansko. The Punkva River flows through it. Part of it is the Macocha Gorge, its sinkhole is about 138.7 m ...
– a cave system of the Czech Republic located north of the city of Brno, near the town of Blansko


Sinkholes of Germany

* Bullenkuhle – marshy lake in the extreme north of the district of Gifhorn in the north German state of Lower Saxony which has been formed into a sinkhole *
Danube Sinkhole Sinkhole in the Danube near Möhringen Schematic of the sinkhole locations and the route to Aachtopf Completely dry Danube riverbed right , Sink hole on the southern bank of the Danube, at the main sinkhole site below Immendingen Sign i ...
– incipient underground stream capture in the Upper Danube Nature Park


Sinkholes of Italy

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Gurio Lamanna Gurio Lamanna (also incorrectly called Gurlamanna) is a doline shaped like a coat of arms located in the Murge plateau and falling into Gravina in Puglia's territory, on the border with Altamura, Apulia, southern Italy. It is "one of the largest ...
- a flat, wide and shallow
karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
doline shaped like a
coat of arms A coat of arms is a heraldry, heraldic communication design, visual design on an escutcheon (heraldry), escutcheon (i.e., shield), surcoat, or tabard (the latter two being outer garments). The coat of arms on an escutcheon forms the central ele ...
and very close to
Pulicchio di Gravina Pulicchio di Gravina (in the local dialect ''Pulícchie'' or ''Pulidde'') is the second-largest doline in the Murge plateau (in Apulia, southern Italy) after Pulo di Altamura. It falls into the territory of Gravina in Puglia, being located about ...
and Tre Paduli. * Lago di Doberdò – a sinkhole in the Province of Gorizia, Friuli-Venezia Giulia, Italy *
Pozzo del Merro Pozzo del Merro is a flooded sinkhole in the countryside northeast of Rome, Italy. Situated at the bottom of an 80 m conical pit, at it is the second deepest underwater vertical cave in the world. In 2000 two ROVs were sent to explore its depth ...
– a flooded sinkhole in the countryside northeast of Rome, Italy *
Pulo di Altamura Pulo di Altamura is a doline located on the Murge plateau ( Apulia, Italy). It is the largest doline in that region and it is located about north-west of the city of Altamura. It shares the local toponym ''pulo'' with other large dolines of the ...
- a
karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
doline close to the city of Altamura containing some caves, where Saint William of Montevergine (1085-1142) reportedly lived as a
hermit A hermit, also known as an eremite (adjectival form: hermitic or eremitic) or solitary, is a person who lives in seclusion. Eremitism plays a role in a variety of religions. Description In Christianity, the term was originally applied to a Ch ...
for a certain period. *
Pulo di Molfetta Pulo di Molfetta is a doline located on the Murge plateau, in Apulia, southern Italy, around south-west of the city of Molfetta. It originated due to the collapse of the ceiling of one or more caves. It shares the local toponym ''pulo'' with ot ...
*
Pulicchio di Gravina Pulicchio di Gravina (in the local dialect ''Pulícchie'' or ''Pulidde'') is the second-largest doline in the Murge plateau (in Apulia, southern Italy) after Pulo di Altamura. It falls into the territory of Gravina in Puglia, being located about ...
- an egg-shaped forested
karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
doline located in the territory of
Gravina in Puglia Gravina in Puglia (; nap, label= Barese, Gravéine ; la, Silvium; grc, Σιλούϊον, Siloúïon) is a town and ''comune'' of the Metropolitan City of Bari, Apulia, southern Italy. The word ''gravina'' comes from the Latin ''grava'' or from ...
and very close to
Gurio Lamanna Gurio Lamanna (also incorrectly called Gurlamanna) is a doline shaped like a coat of arms located in the Murge plateau and falling into Gravina in Puglia's territory, on the border with Altamura, Apulia, southern Italy. It is "one of the largest ...
and Tre Paduli.


Sinkholes of Mexico

* Cave of Swallows – an open air pit cave in the Municipality of Aquismón, San Luis Potosí *
Dzibilchaltun Dzibilchaltún ( Yucatec: Ts'íibil Cháaltun, ) is a Maya archaeological site in the Mexican state of Yucatán, approximately north of state capital of Mérida. Location In the view of modern researchers, the ancient builders of Dzibilcha ...
– a Maya archaeological site in the Mexican state of Yucatán, approximately north of state capital Mérida *
Ik Kil Ik Kil is a cenote outside Pisté in the Tinúm Municipality, Yucatán, Mexico. It is located in the northern center of the Yucatán Peninsula and is part of the Ik Kil Archeological Park near Chichen Itza. It is open to the public for swimming. ...
– a cenote outside Pisté in the Tinúm Municipality, Yucatán *
Sacred Cenote The Sacred Cenote ( es, cenote sagrado, , "sacred well"; alternatively known as the "Well of Sacrifice") is a water-filled sinkhole in limestone at the pre-Columbian Maya archaeological site of Chichen Itza, in the northern Yucatán Peninsula. It ...
– a cenote at the pre-Columbian Maya archaeological site of Chichen Itza, in the northern Yucatán Peninsula *
Sima de las Cotorras Sima de las Cotorras (in English: Sinkhole of the Parrots/Parakeets) is a sinkhole located in the El Ocote Biosphere Reserve in western Chiapas, southern Mexico. It is one of a number of sinkholes in the area, all produced by tectonic and erosive ...
– a giant circular sinkhole in the karst plateau of the Mexican state of Chiapas *
Sistema Dos Ojos Dos Ojos (from Spanish meaning "Two Eyes"; officially Sistema Dos Ojos) is part of a flooded cave system located north of Tulum, on the Caribbean coast of the Yucatán Peninsula, in the state of Quintana Roo, Mexico. The exploration of Dos Ojos be ...
– a flooded cave system located north of Tulum, on the Caribbean coast of the Yucatán Peninsula, in the state of Quintana Roo *
Sistema Sac Actun Sistema Sac Actun (from Spanish and Yucatec Maya meaning "White Cave System") is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the city of Tulum. Discovery of a connec ...
– an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the village of Tulum, in the state of Quintana Roo *
Zacatón Zacatón is a cenote (a thermal water-filled sinkhole) belonging to the Zacatón system - a group of unusual karst features located in Aldama Municipality near the Sierra de Tamaulipas in the northeastern state of Tamaulipas, Mexico. It is the d ...
– a thermal water filled sinkhole belonging to the Zacatón system - a group of unusual karst features located in Aldama Municipality near the Sierra de Tamaulipas in the northeastern state of Tamaulipas


Sinkholes of Namibia

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Lake Guinas Lake Guinas is the larger of only two permanent natural lakes in Namibia. It is a ''sinkhole lake'', created by a collapsing karst cave, located thirty-eight kilometres west of Tsumeb, near the D3043 road. Lake Guinas is home to ''Tilapia guinasan ...
– a sinkhole lake, created by a collapsing karst cave, located west of Tsumeb, Namibia *
Otjikoto Lake Otjikoto Lake is the smaller of only two permanent natural lakes in Namibia. It is a sinkhole lake that was created by a collapsing Karst topography, karst cave. It is located north-west of Tsumeb and only 100 meters from the main road B1 road (Na ...
– a sinkhole lake that was created by a collapsing karst cave in Namibia


Sinkholes of South Africa

* Blyvooruitzicht sinkholes - ancient sinkhole in South Africa *
Boesmansgat Boesmansgat, also known in English as "Bushman's Hole", is a deep submerged freshwater cave (or sinkhole) in the Northern Cape province of South Africa, which has been dived to a depth of . Boesmansgat was believed to have first been explored by ...
– in South Africa; believed to be the sixth-deepest submerged freshwater cave (or sinkhole) in the world


Sinkholes of Turkey

* Akhayat sinkhole – sinkhole in Mersin Province, Turkey * Cennet and Cehennem – two large sinkholes in the Taurus Mountains, in Mersin Province * Egma Sinkhole – sinkhole and the deepest cave in Turkey * Kanlıdivane – ancient city situated around a big sinkhole in Mersin Province


Sinkholes of the United States

* 2014 National Corvette Museum sinkhole – a sinkhole at 350 Corvette Drive, Bowling Green, Kentucky *
Amberjack Hole The Amberjack Hole is a blue hole located off the coast of Sarasota, Florida. The rim of the hole is approximately below the surface, and extends down approximated . Exploration As part of a three-year study, a group of scientists set out i ...
- a blue hole located off the coast of
Sarasota, Florida Sarasota () is a city in Sarasota County on the Gulf Coast of the U.S. state of Florida. The area is renowned for its cultural and environmental amenities, beaches, resorts, and the Sarasota School of Architecture. The city is located in the sout ...
. *
Bayou Corne sinkhole The Bayou Corne sinkhole (french: Doline de Bayou Corne) was created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum. The sinkhole, located near the community of Bayou Corne in nor ...
– created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum, discovered on August 3, 2012, and 350 nearby residents were advised to evacuate *
Big Basin Prairie Preserve The Big Basin Prairie Preserve is a nature preserve owned and managed by the Kansas Department of Wildlife and Parks. The preserve is in the Red Hills near Ashland in Clark County, Kansas. The main features are St. Jacob's Well, a water-filled ...
St. Jacob's Well, Kansas, a water-filled sinkhole which lies in the Little Basin, and the Big Basin, a crater-like depression *
Blue Hole (Castalia) The Blue Hole is a fresh water pond located in Castalia, Erie County, Ohio, in the United States. From the 1920s to 1990 the Blue Hole was a tourist site, attracting 165,000 visitors annually at the height of its popularity, partly because of i ...
– a fresh water pond located in Castalia, Erie County, Ohio *
Blue Hole (New Mexico) The Blue Hole of Santa Rosa, or simply the Blue Hole, is a circular, bell-shaped pool or small lake located along Route 66 east of Santa Rosa, New Mexico that is a tourist attraction and swimming venue, and one of the most popular dive destin ...
– circular, bell-shaped pool east of Santa Rosa, New Mexico * Bottomless Lakes State Park Lazy Lagoon lake, New Mexico, made up of three separate sinkholes *
Cedar Sink Cedar Sink is a vertical-walled large depression, or sinkhole, in the ground, that is located in Edmonson County, Kentucky and contained within and managed by Mammoth Cave National Park. The sinkhole measures from the top sandstone plateau to the ...
– a vertical-walled large depression, Kentucky. *
Daisetta, Texas Daisetta is a city in Liberty County, Texas, Liberty County, Texas, United States. The population was 923 at the 2020 census. History The city was named after residents Daisy Barrett and Etta White.Deep Lake (Florida) Deep Lake is a natural sinkhole in Big Cypress National Preserve Big Cypress National Preserve is a United States National Preserve located in South Florida, about 45 miles (72 kilometers) west of Miami on the Atlantic coastal plain. The Big ...
– a natural sinkhole in Big Cypress National Preserve in Florida * Deep Run Ponds Natural Area Preserve – contains one of the largest remaining systems of Shenandoah Valley sinkhole ponds in the Commonwealth of Virginia *
Devil's Den Cave Devil's Den is formed by a karst window, in which the roof over a subterranean river has collapsed, exposing the water to the open surface, near Williston, Florida. It is privately owned, and operated as a SCUBA diving training and recreational f ...
- a karst window over an underground river near Williston, Florida * Devil's Millhopper Geological State Park - located in Gainesville, Florida * Devil's Sinkhole State Natural Area – a natural bat habitat near the city of Rocksprings in Edwards County in Texas *
Grassy Cove Grassy Cove is an enclosed valley in Cumberland County, Tennessee, United States. The valley is notable for its karst formations, which have been designated a National Natural Landmark. Grassy Cove is also home to a small unincorporated community ...
– an enclosed valley in Cumberland County, Tennessee notable for its karst formations *
Green Banana Hole The Green Banana Hole is a blue hole off the coast southwest of Sarasota, Florida. The rim is approximately below the surface and the hole extends downward approximately . Blue holes in this area are thought to have formed as sinkholes on land ...
- a blue hole located off the coast of
Sarasota, Florida Sarasota () is a city in Sarasota County on the Gulf Coast of the U.S. state of Florida. The area is renowned for its cultural and environmental amenities, beaches, resorts, and the Sarasota School of Architecture. The city is located in the sout ...
. *
Kingsley Lake Kingsley Lake is an almost perfectly circular lake of about in North East Florida, is located inside Clay County about east of Starke, Florida. According to some sources, it is the oldest and highest lake in Florida, located on the edge of th ...
– a lake is thought to have formed as a sinkhole North Central Florida, about east of Starke, Florida *
Lake Eola Park Lake Eola Park is a public park located in Downtown Orlando, Florida. Lake Eola is the main feature of the park. Also located in the park (on the west side) is the Walt Disney Amphitheater, which hosts many community events and various perform ...
– Lake Eola is a sinkhole located in Downtown Orlando, Florida *
Lake Peigneur Lake Peigneur (locally pronounced ) is a brackish lake in the U.S. state of Louisiana, north of Delcambre and west of New Iberia, near the northernmost tip of Vermilion Bay. With a maximum depth of , it is the deepest lake in Louisiana. Its ...
– was originally a shallow freshwater body in Louisiana, until a man-made disaster on November 20, 1980 changed its structure, affecting the surrounding land and making it a
brackish water Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estua ...
lake *
Little Salt Spring Little Salt Spring is an archaeological and paleontological site in North Port, Florida. The site has been owned by the University of Miami since 1980 with research performed there by the university's Rosenstiel School of Marine and Atmospheric ...
– a feature of the karst topography of Florida *
Makauwahi Cave The Makauwahi Cave is the largest limestone cave found in Hawaii. It lies on the south coast of the island of Kauai, in the Māhāulepū Valley close to Māhāulepū Beach, and is important for its paleoecological and archaeological values. I ...
- the largest limestone cave found in Kauai, Hawaii *
Marvel Cave Marvel Cave is a National Natural Landmark located just west of Branson, Missouri, on top of Roark Mountain in Stone County. The cave was known by the Osage Indians in the early 16th century, after a tribe member fell through the cave's main ent ...
– a National Natural Landmark located just west of Branson, Missouri, on top of Roark Mountain in Stone County *
Montezuma Well Montezuma Well ( yuf-x-yav, ʼHakthkyayva), a detached unit of Montezuma Castle National Monument, is a natural limestone sinkhole near the town of Lake Montezuma, Arizona, through which some of water emerge each day from an underground s ...
– a natural limestone sinkhole near the town of Rimrock, Arizona * Mount Joy Pond Natural Area Preserve – a large sinkhole pond located in Augusta County, Virginia * NR-1 Sinkhole - an underwater sinkhole first located by the NR-1 submarine; located southwest of Key West, Florida *
Peter Sinks Peter Sinks is a natural sinkhole in northern Utah that is one of the coldest places in the contiguous United States. Peter Sinks is located above sea level, in the Bear River Mountains east of Logan, within the Wasatch-Cache National Forest. ...
– a natural sinkhole in northern Utah, one of the coldest places in the contiguous United States *
Pipe Creek Sinkhole The Pipe Creek Sinkhole near Swayzee in Grant County, Indiana, is one of the most important paleontological sites in the interior of the eastern half of North America. It is preserved because it was buried by glacial till. Uncovered in 1996 by wo ...
– near Swayzee in Grant County, Indiana, important paleontological site *
The Inkpot The Inkpot is a http://www.fws.gov/southwest/es/Documents/R2ES/Bitter_Lake_NWR_CAP.pdf sinkhole located at the Salt Creek Wilderness Area north of Roswell, New Mexico. This geological formation can be found at the foot of the scenic Red Bluffs ...
– 27 meter sinkhole located at the Salt Creek Wilderness Area north of Roswell, New Mexico *
Trout Pond Trout Pond — formerly called Old Pond — located near Wardensville in Hardy County, West Virginia, USA, is the state's only natural lake. The small "lake" is situated in the Trout Pond Recreation Area (TPRA) of the George Washington Nation ...
– a sinkhole that filled with water near Wardensville in Hardy County, West Virginia


Sinkholes of Venezuela

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Sima Humboldt Sima Humboldt (Sima Mayor) is an enormous sinkhole located on the summit of the plateau of Sarisariñama tepui in Bolívar State, Venezuela. It is unusual for several reasons, including its enormous size and depth, its location on the top of th ...
*
Sima Martel Sima Martel (Sima Menor) is an enormous sinkhole located on the summit of plateau of Sarisariñama tepui, in Bolívar State, Venezuela. It is unusual due to several factors including its enormous size and depth, location on the top of the only ...
* Haitón del Guarataro


Other locations

* Biržai Regional Park – a park in northern Lithuania established in 1992 to preserve a distinctive karst landscape *
Blue Hole (Red Sea) The Blue Hole is a diving location on the southeast Sinai, a few kilometres north of Dahab, Egypt on the coast of the Red Sea. The Blue Hole is a submarine sinkhole, with a maximum depth within the hole of just over 100 m (328 feet). The ...
– a submarine sinkhole around deep in east Sinai, a few kilometres north of Dahab, Egypt on the coast of the Red Sea. * Dead Sea sinkholes *
Dean's Blue Hole __NOTOC__ Dean's Blue Hole is a blue hole located in The Bahamas in a bay west of Clarence Town on Long Island and is the world's second deepest, after the Dragon Hole in the South China Sea, with a depth of . Formation A blue hole is a wat ...
– the world's second deepest known salt water blue hole with an entrance below the sea level; in the Bahamas * Dersios sinkhole – a sinkhole in Arcadia, Greece *
Devil's Hole, Bermuda Devil's Hole was a large water-filled sinkhole, close to the southeastern corner of Harrington Sound, Bermuda. At one time an littoral cave, it is fed by the Atlantic ocean proper, rather than the far closer sound, via an underground estuary. ...
– a large water-filled sinkhole, close to the southeastern corner of Harrington Sound, Bermuda *
Great Blue Hole The Great Blue Hole is a giant Blue hole, marine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll from the mainland and Belize City. The hole is circular in shape, across and deep. It has a surface ...
– a giant submarine sinkhole off the coast of Belize *
Harwood Hole Harwoods Hole is a cave system located in the northwest of the South Island of New Zealand, in the Abel Tasman National Park. At , it is New Zealand's deepest vertical shaft. It was first explored in 1958, long after it was discovered. Format ...
– cave system located in the northwest of the South Island of New Zealand, New Zealand's deepest vertical shaft *
Hutchinson's Hole Hutchinson's Hole is a large sinkhole (located in Saint Ann in northern Jamaica) named after the 18th century serial killer Lewis Hutchinson Lewis Hutchinson (1733–1773), a Scottish immigrant to Jamaica, was the first recorded serial kil ...
– a large sinkhole (located in Saint Ann in northern Jamaica), used by a serial killer to dispose of bodies *
Playa de Gulpiyuri Playa de Gulpiyuri is a flooded sinkhole with an inland beach located near Llanes, in Asturias Northern Spain, around 100 m from the Cantabrian Sea. It is the shortest beach in the world. Roughly 40 meters in length, it is fully tidal due to a s ...
– a flooded sinkhole with an inland beach located near Llanes, Spain * Voulismeno aloni - Crete


See also

*
Karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
*
List of deepest caves This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth . The depth value is measured from the highest to the lowest accessible cave point. See also * List of caves * List of deepest mines * Lis ...


References

{{reflist * Events in the geological history of Earth
sinkholes A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are locally also known as ''vrtače'' and shakeholes, and to openi ...
Dinaric Alps Dinaric karst formations