Sierra de Villuercas or Sierra de las Villuercas, also known as Sierra de Guadalupe after nearby Guadalupe town, is a

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have aris ...

in the greater

Montes de Toledo The Montes de Toledo is one of the main systems of mountain ranges in the Iberian Peninsula. They divide the drainage basin of the Tagus from the basin of the Guadiana. The highest peak is La Villuerca, which is high. Description The Montes de ...

range,

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

. It is located in

province of Cáceres The province of Cáceres (; ; ; ) is a province of western Spain, and makes up the northern half of the autonomous community of Extremadura. Its capital is the city of Cáceres. Other cities in the province include Plasencia, Coria, Navalm ...

autonomous community The autonomous communities () are the first-level administrative divisions of Spain, created in accordance with the Spanish Constitution of 1978, with the aim of guaranteeing limited autonomy to the nationalities and regions that make up Sp ...

Extremadura Extremadura ( ; ; ; ; Fala language, Fala: ''Extremaúra'') is a landlocked autonomous communities in Spain, autonomous community of Spain. Its capital city is Mérida, Spain, Mérida, and its largest city is Badajoz. Located in the central- ...

. Rivers Almonte and Ibor, tributaries of the

Tagus The Tagus ( ; ; ) is the longest river in the Iberian Peninsula. The river rises in the Montes Universales between Cuenca and Teruel, in mid-eastern Spain, flows , generally westward, and empties into the Atlantic Ocean in Lisbon. Name T ...

, and the Ruecas and Guadalupe River, tributaries of the

Guadiana The Guadiana River ( , , , ) is an international river defining a long stretch of the Portugal-Spain border, separating Extremadura and Andalusia (Spain) from Alentejo and Algarve (Portugal). The river's basin extends from la Mancha and the e ...

, have their sources in this range.

Description

The Sierra de Villuercas stretches for about 60 km in a roughly NNW/SSE direction in the southeast of Cáceres Province. From its northern end a lower ridge stretches in an arch further westwards from Deleitosa. Southwards there is a straight low ridge aligned in a N/S direction connecting with the Sierra de los Golondrinos prolongation further south straddling river

. The lower

Sierra de Montánchez Sierra de Montánchez is a mountain range in the greater Montes de Toledo range, Spain. It is named after nearby Montánchez town, the capital of the Tierra de Montánchez comarca, located on its slopes. This range gives its name to the Mancomu ...

extends further west of the Sierra de Villuercas. This range is parallel to the Sierra de la Palomera and Sierra de Altamira further east of Guadalupe. There is an abundance of fossils of

Ammonites Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

Trilobites Trilobites (; meaning "three-lobed entities") are extinct marine arthropods that form the class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most successful of all early animals, ...

Brachiopod Brachiopods (), phylum (biology), phylum Brachiopoda, are a phylum of animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear e ...

Graptolites Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are known chiefly from fossils found from the Middle Cambrian (Miaolingian, Wuliuan) through th ...

and Cloudinids in certain points of the range. The highest point of the range is conspicuous La Villuerca (1,603 m), which gives name to Las Villuercas

comarca A ''comarca'' (, , , ) is a traditional region or local administrative division found in Portugal, Spain, and some of their former colonies, like Brazil, Nicaragua, and Panama. The term is derived from the term ''marca'', meaning a "march, mark ...

and is the highest point of the greater Montes de Toledo range. Cervales (1441 m), Carbonero (1428 m), Ballesteros (1342 m), Sobacorbas (1320 m) o Risco Redondo (1287 m).

Geology

The Sierra de Villuercas geological structure is similar to the

geology of the Appalachians The geology of the Appalachians dates back more than 1.2 billion years to the Mesoproterozoic era when two continental Craton, cratons collided to form the supercontinent Rodinia, 500 million years prior to the development of the range during t ...

. The range is mainly composed of

slate Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic ro ...

s and

quartzite Quartzite is a hard, non- foliated metamorphic rock that was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tecton ...

s that are often exposed in its jagged peaks. There are also interesting conglomerate geological formations made up of quartzite

boulders In geology, a boulder (or rarely bowlder) is a rock fragment with size greater than in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In c ...

and unstratified

clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impuriti ...

s known locally as ''"rañas"''.

History

This

mountainous A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...

area was the scenario of the Battle of the Sierra Guadalupe, a bloody conflict at the beginning of the

Spanish Civil War The Spanish Civil War () was a military conflict fought from 1936 to 1939 between the Republican faction (Spanish Civil War), Republicans and the Nationalist faction (Spanish Civil War), Nationalists. Republicans were loyal to the Left-wing p ...

. Hugh Thomas, ''The Spanish Civil War''. New York: Harper & Brothers, 1961

References

External links

*
Las Villuercas

Pictures of las VilluercasNieve en Las Villuercas II
Geography of the Province of Cáceres Villuercas Mountain ranges of Extremadura {{extremadura-geo-stub