Devils Tower
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Devils Tower (also known as Mato Tipila or Bear Lodge) is a
butte In geomorphology, a butte ( ) is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and table (landform), tablelands. The word ''butte'' comes from the French l ...
, laccolithic, composed of
igneous rock Igneous rock ( ), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava. The magma can be derived from partial ...
in the Bear Lodge Ranger District of the Black Hills, near Hulett and Sundance in Crook County, northeastern
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
, above the Belle Fourche River. It rises above the Belle Fourche River, standing from summit to base. The summit is above sea level. Devils Tower National Monument was the first United States national monument, established on September 24, 1906, by President
Theodore Roosevelt Theodore Roosevelt Jr. (October 27, 1858 – January 6, 1919), also known as Teddy or T.R., was the 26th president of the United States, serving from 1901 to 1909. Roosevelt previously was involved in New York (state), New York politics, incl ...
. The monument's boundary encloses an area of .


Name

Indigenous names for the monolith include "Bear's House" or "Bear's Lodge" (or "Bear's Tipi", "Home of the Bear", "Bear's Lair");
Cheyenne The Cheyenne ( ) are an Indigenous people of the Great Plains. The Cheyenne comprise two Native American tribes, the Só'taeo'o or Só'taétaneo'o (more commonly spelled as Suhtai or Sutaio) and the (also spelled Tsitsistas, The term for th ...
, , ("Home of Bears"), "Aloft on a Rock" (
Kiowa Kiowa ( ) or Cáuigú () people are a Native Americans in the United States, Native American tribe and an Indigenous people of the Great Plains of the United States. They migrated southward from western Montana into the Rocky Mountains in Colora ...
), "Tree Rock", "Great Gray Horn", and "Brown Buffalo Horn" (). The name "Devil's Tower" originated in 1875 during an expedition led by Colonel Richard Irving Dodge, when his interpreter reportedly misinterpreted a native name to mean "Bad God's Tower"."Why is it called Devils Tower? Some Native Americans called it Mato Tipila, meaning Bear Lodge. Other Native American names include Bear's Tipi, Home of the Bear, Tree Rock and Great Gray Horn. In 1875, on an expedition led by Col. Dodge, it is believed his interpreter misinterpreted the name to mean Bad God's Tower, later shortened to Devils Tower.
NPS Frequently Asked Questions
accessed July 22, 2008.
All
information sign Signage is the design or use of signs and symbols to communicate a message. Signage also means signs ''collectively'' or being considered as a group. The term ''signage'' is documented to have been popularized in 1975 to 1980. Signs are any ki ...
s in that area use the name "Devils Tower", following a geographic naming standard whereby the apostrophe is omitted. In 2005, a proposal to recognize several indigenous ties through the additional designation of the monolith as ''Bear Lodge National Historic Landmark'' were opposed by United States Representative Barbara Cubin, arguing that a "name change will harm the tourist trade and bring economic hardship to area communities". In November 2014, Arvol Looking Horse proposed renaming the geographical feature "Bear Lodge" and submitted the request to the
United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a Federal government of the United States, federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geogr ...
. A second proposal was submitted to request that the U.S. acknowledge what it described as the "offensive" mistake in keeping the current name and to rename the monument and sacred site into ''Bear Lodge National Historic Landmark''. The formal public comment period ended in fall 2015. Local state senator Ogden Driskill opposed the change. The name was not changed.


Geology

The landscape surrounding Devils Tower is composed mostly of
sedimentary rock Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...
s. The oldest rocks visible in Devils Tower National Monument were laid down in a shallow sea during the
Triassic The Triassic ( ; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.4 Mya. The Triassic is t ...
. This dark red
sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...
and maroon siltstone, interbedded with
shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of Clay mineral, clay minerals (hydrous aluminium phyllosilicates, e.g., Kaolinite, kaolin, aluminium, Al2Silicon, Si2Oxygen, O5(hydroxide, OH)4) and tiny f ...
, can be seen along the Belle Fourche River.
Oxidation Redox ( , , reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is ...
of iron minerals causes the redness of the rocks. This rock layer is known as the Spearfish Formation. Above the Spearfish Formation is a thin band of white
gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate Hydrate, dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk ...
, called the Gypsum Springs Formation,
Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. ...
in age. Overlying this formation is the Sundance Formation. During the
Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...
Epoch, 56 to 66 million years ago, the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
and the Black Hills were uplifted.
Magma Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma (sometimes colloquially but incorrectly referred to as ''lava'') is found beneath the surface of the Earth, and evidence of magmatism has also ...
rose through the crust, intruding into the existing sedimentary rock layers.National Park Service: Devils Tower: Geologic Formations
/ref> Geologists Carpenter and Russell studied Devils Tower in the late 19th century and came to the conclusion that it was formed by an
igneous Igneous rock ( ), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava. The magma can be derived from partial ...
intrusion In geology, an igneous intrusion (or intrusive body or simply intrusion) is a body of intrusive igneous rock that forms by crystallization of magma slowly cooling below the surface of the Earth. Intrusions have a wide variety of forms and com ...
. In 1907, geologists Nelson Horatio Darton and C.C. O'Harra (of the South Dakota School of Mines) theorized that Devils Tower must be an eroded remnant of a laccolith. The igneous material that forms the Tower is a phonolite porphyry intruded about 40.5 million years ago, a light to dark-gray or greenish-gray igneous rock with conspicuous crystals of white
feldspar Feldspar ( ; sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. The most common members of the feldspar group are the ''plagiocl ...
. As the magma cooled,
hexagon In geometry, a hexagon (from Greek , , meaning "six", and , , meaning "corner, angle") is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°. Regular hexagon A regular hexagon is de ...
al columns formed (though sometimes 4-, 5-, and 7-sided columns were possible), up to wide and tall. As rain and snow continue to erode the sedimentary rocks surrounding the Tower's base, more of Devils Tower will be exposed. Nonetheless, the exposed portions of the Tower still experience certain amounts of erosion. Cracks along the columns are subject to water and ice erosion. Portions, or even entire columns, of rock at Devils Tower are continually breaking off and falling. Piles of broken columns, boulders, small rocks, and stones, called
scree Scree is a collection of broken rock fragments at the base of a cliff or other steep rocky mass that has accumulated through periodic rockfall. Landforms associated with these materials are often called talus deposits. The term ''scree'' is ap ...
, lie at the base of the tower, indicating that it was once wider than it is today. The geologically related Missouri Buttes are located northwest of Devils Tower.


Climate


Native American cultural beliefs

Devils Tower inspired many geomyths. According to the traditional beliefs of Native American peoples, the
Kiowa Kiowa ( ) or Cáuigú () people are a Native Americans in the United States, Native American tribe and an Indigenous people of the Great Plains of the United States. They migrated southward from western Montana into the Rocky Mountains in Colora ...
and
Lakota Lakota may refer to: *Lakota people, a confederation of seven related Native American tribes *Lakota language Lakota ( ), also referred to as Lakhota, Teton or Teton Sioux, is a Siouan languages, Siouan language spoken by the Lakota people of ...
, a group of girls went out to play and were spotted by several giant bears, who began to chase them. In an effort to escape the bears, the girls climbed atop a rock, fell to their knees, and prayed to the Great Spirit to save them. Hearing their prayers, the Great Spirit made the rock rise from the ground towards the heavens so that the bears could not reach the girls. The bears, in an effort to climb the rock, left deep claw marks in the sides, which had become too steep to climb. Those are the marks which appear today on the sides of Devils Tower. When the girls reached the sky, they were turned into the stars of the
Pleiades The Pleiades (), also known as Seven Sisters and Messier 45 (M45), is an Asterism (astronomy), asterism of an open cluster, open star cluster containing young Stellar classification#Class B, B-type stars in the northwest of the constellation Tau ...
. Another version tells that two
Sioux The Sioux or Oceti Sakowin ( ; Dakota/ Lakota: ) are groups of Native American tribes and First Nations people from the Great Plains of North America. The Sioux have two major linguistic divisions: the Dakota and Lakota peoples (translati ...
boys wandered far from their village when Mato the bear, a huge creature that had claws the size of tipi poles, spotted them, and wanted to eat them for breakfast. He was almost upon them when the boys prayed to Wakan Tanka the Creator to help them. They rose up on a huge rock, while Mato tried to get up from every side, leaving huge scratch marks as he did. Finally, he sauntered off, disappointed and discouraged. The bear came to rest east of the Black Hills at what is now Bear Butte. Wanblee, the eagle, helped the boys off the rock and back to their village. A painting depicting this legend by artist Herbert A. Collins hangs over the fireplace in the visitor center at Devils Tower. In a
Cheyenne The Cheyenne ( ) are an Indigenous people of the Great Plains. The Cheyenne comprise two Native American tribes, the Só'taeo'o or Só'taétaneo'o (more commonly spelled as Suhtai or Sutaio) and the (also spelled Tsitsistas, The term for th ...
version of the story, the giant bear pursues the girls and kills most of them. Two sisters escape back to their home with the bear still tracking them. They tell two boys that the bear can only be killed with an arrow shot through the underside of its foot. The boys have the sisters lead the bear to Devils Tower and trick it into thinking they have climbed the rock. The boys attempt to shoot the bear through the foot while it repeatedly attempts to climb up and slides back down leaving more claw marks each time. The bear was finally scared off when an arrow came very close to its left foot. This last arrow continued to go up and never came down. Wooden Leg, a Northern Cheyenne, related another legend told to him by an old man as they were traveling together past the Devils Tower around 1866–1868. An Indigenous man decided to sleep at the base of Bear Lodge next to a buffalo head. In the morning he found that both he and the buffalo head had been transported to the top of the rock by the Great Medicine with no way down. He spent another day and night on the rock with no food or water. After he had prayed all day and then gone to sleep, he awoke to find that the Great Medicine had brought him back down to the ground, but left the buffalo head at the top near the edge. Wooden Leg maintained that the buffalo head was clearly visible through the old man's spyglass. At the time, the tower had never been climbed and a buffalo head at the top was otherwise inexplicable. The buffalo head gives this story special significance for the Northern Cheyenne. All the Cheyenne maintained in their camps a sacred teepee to the Great Medicine containing the tribal sacred objects. In the case of the Northern Cheyenne, the sacred object was a buffalo head.
N. Scott Momaday Navarre Scotte Momaday (February 27, 1934–January 24, 2024) was a Kiowa and American novelist, short story writer, essayist, and poet. His novel ''House Made of Dawn'' was awarded the Pulitzer Prize for Fiction in 1969 in literature, 1969, and ...
(
Kiowa Kiowa ( ) or Cáuigú () people are a Native Americans in the United States, Native American tribe and an Indigenous people of the Great Plains of the United States. They migrated southward from western Montana into the Rocky Mountains in Colora ...
) was given the name Tsoai-talee (Rock Tree Boy) by Pohd-lohk, a Kiowa elder, linking the child to the Devils Tower bear myth. To reinforce this mythic connection, his parents took him there. Momaday incorporated the bear myth as unifying subtext into his 1989 novel ''The Ancient Child''.


U.S. history

Fur trappers may have visited Devils Tower, but they left no written evidence of having done so. The first documented non-Indigenous visitors were members of Captain William F. Raynolds's 1859 expedition to Yellowstone. Sixteen years later, Colonel Richard I. Dodge escorted an Office of Indian Affairs scientific survey party to the massive rock formation and coined the name Devils Tower. Recognizing its unique characteristics, the
United States Congress The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...
designated the area a U.S. forest reserve in 1892 and in 1906 Devils Tower became the nation's first
National monument A national monument is a monument constructed in order to commemorate something of importance to national heritage, such as a country's founding, independence, war, or the life and death of a historical figure. The term may also refer to a sp ...
.


Climbing

As of 1994, climbing Devils Tower had increased in popularity. About 1.3% of the monument's 400,000 annual visitors climbed Devils Tower, mostly using traditional climbing techniques. The first known ascent of Devils Tower by any method occurred on July 4, 1893, and is credited to William Rogers and Willard Ripley, local ranchers in the area. They completed this first ascent after constructing a ladder of wooden pegs driven into cracks in the rock face. A few of these wooden pegs are still intact and are visible on the tower when hiking along the Tower Trail at Devils Tower National Monument. Over the following 30 years, many climbs were made using this method before the ladder fell into disrepair. The first ascent using modern climbing techniques was made by Fritz Wiessner with William P. House and Lawrence Coveney in 1937. Wiessner led almost the entire climb free, placing only a single piece of fixed gear, a piton, which he later regretted, deeming it unnecessary. In 1941 George Hopkins parachuted onto Devils Tower, without permission, as a publicity stunt resulting from a bet. He had intended to descend by a rope dropped to him after successfully landing on the butte, but the package containing the rope, a sledge hammer and a car axle to be driven into the rock as an anchor point slid over the edge. As the weather deteriorated, a second attempt was made to drop equipment, but Hopkins deemed it unusable after the rope became snarled and frozen due to the rain and wind. Hopkins was stranded for six days, exposed to cold, rain and winds before a mountain rescue team led by Jack Durrance, who had successfully climbed Devils Tower in 1938, finally reached him and brought him down. His entrapment and rescue was widely covered by the media of the time. Today, hundreds of climbers scale the sheer rock walls of Devils Tower each summer. The most common route is the Durrance Route, which was the second free route established in 1938. There are many established and documented
climbing route A climbing route () is a path by which a Climbing, climber reaches the top of a mountain, a rock face or an ice-covered obstacle. The details of a climbing route are recorded in a climbing guidebook and/or in an online climbing-route database. De ...
s covering every side of the tower, ascending the various vertical cracks and columns of the rock. The difficulty of these routes range from relatively easy to some of the most challenging in the world. All climbers are required to register with a park ranger before and after attempting a climb. No overnight camping at the summit is allowed; climbers return to base on the same day they ascend. The Tower is sacred to several Plains tribes, including the
Lakota Lakota may refer to: *Lakota people, a confederation of seven related Native American tribes *Lakota language Lakota ( ), also referred to as Lakhota, Teton or Teton Sioux, is a Siouan languages, Siouan language spoken by the Lakota people of ...
,
Cheyenne The Cheyenne ( ) are an Indigenous people of the Great Plains. The Cheyenne comprise two Native American tribes, the Só'taeo'o or Só'taétaneo'o (more commonly spelled as Suhtai or Sutaio) and the (also spelled Tsitsistas, The term for th ...
and
Kiowa Kiowa ( ) or Cáuigú () people are a Native Americans in the United States, Native American tribe and an Indigenous people of the Great Plains of the United States. They migrated southward from western Montana into the Rocky Mountains in Colora ...
. Because of this, many Native American leaders objected to climbers ascending the monument, considering this to be a desecration. The climbers argued that they had a right to climb the Tower, since it is on federal land. A compromise was eventually reached with a voluntary climbing ban during the month of June when the tribes are conducting ceremonies around the monument. Climbers are asked, but not required, to stay off the Tower in June. According to the PBS documentary ''In the Light of Reverence'', approximately 85% of climbers honor the ban and voluntarily choose not to climb the Tower during the month of June. However, several climbers along with the Mountain States Legal Foundation sued the Park Service, claiming an inappropriate government entanglement with religion.Sacred Land Film Project
Devils Tower.


Incidents

Seven people have died climbing Devils Tower in the park's 118 year history. Rescues of stranded and under-equipped climbers on the formation are common. The most recent fatality was in September 2024, when a climber fell to his death while descending, leaving his climbing partner stranded without a rope on the face of the tower until help arrived.


Wildlife

Devils Tower National Monument protects many species of wildlife, such as
white-tailed deer The white-tailed deer (''Odocoileus virginianus''), also known Common name, commonly as the whitetail and the Virginia deer, is a medium-sized species of deer native to North America, North, Central America, Central and South America. It is the ...
,
prairie dog Prairie dogs (genus ''Cynomys'') are herbivorous burrowing Marmotini, ground squirrels native to the grasslands of North America. There are five recognized species of prairie dog: black-tailed prairie dog, black-tailed, white-tailed prairie dog ...
s, and
bald eagle The bald eagle (''Haliaeetus leucocephalus'') is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (''Haliaeetus albicilla''), which occupies the same niche ...
s.


In popular culture

* The 1977 movie '' Close Encounters of the Third Kind'' used the formation as a plot element and as the location of its climactic scenes. The film's popularity resulted in a large increase in visitors and climbers to the monument.


National Register of Historic Places

Four areas of Devils Tower National Monument are on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...
: * Entrance Road * Entrance Station * Old Headquarters Area Historic District * Tower Ladder


See also

* Elephant Butte * List of national monuments of the United States * Shiprock


References


Bibliography

* Marquis, Thomas B. (2003). '' Wooden Leg: A Warrior Who Fought Custer''. Lincoln, Neb.: University of Nebraska Press, Bison Books. . . . * Darton, Nelson Horatio (1909).
Geology and water resources of the northern portion of the Black Hills and adjoining regions in South Dakota and Wyoming
' U.S. Geological Survey Professional Paper 65 (1909).


External links


Devils Tower National Monument
National Park Service The National Park Service (NPS) is an List of federal agencies in the United States, agency of the Federal government of the United States, United States federal government, within the US Department of the Interior. The service manages all List ...
* Public domain, produced by National Park Service.
450 megapixel high-resolution photo of Devils Tower
{{Authority control 1906 establishments in the United States Wyoming folklore Archaeological sites in Wyoming Black Hills Climbing areas of the United States Close Encounters of the Third Kind Kiowa Lakota mythology Landforms of Crook County, Wyoming Monoliths of the United States Museums in Crook County, Wyoming National Park Service national monuments in Wyoming National Register of Historic Places in Crook County, Wyoming Natural history museums in Wyoming Paleocene volcanism Properties of religious function on the National Register of Historic Places in Wyoming Protected areas of Crook County, Wyoming Religious places of the Indigenous peoples of North America Rock formations of Wyoming Sacred mountains of the United States Volcanic plugs of the United States Volcanism of Wyoming Volcanoes of Wyoming Columnar basalts of the United States Geomyths