The Mesa River () is a river in the
Sierra de Solorio
The Solorio Range () is a mountain range located in the western side of the Iberian System, Spain. It straddles Aragon, Castile-La Mancha and Castile and León.
Description
The ridge is roughly aligned in an E-W direction. Its northern boundary ...
range area,
Iberian System
Iberian refers to Iberia. Most commonly Iberian refers to:
*Someone or something originating in the Iberian Peninsula, namely from Spain, Portugal, Gibraltar and Andorra.
The term ''Iberian'' is also used to refer to anything pertaining to the fo ...
,
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 a tributary of the
Piedra River.
There are
trout
Trout (: trout) is a generic common name for numerous species of carnivorous freshwater ray-finned fishes belonging to the genera '' Oncorhynchus'', ''Salmo'' and ''Salvelinus'', all of which are members of the subfamily Salmoninae in the ...
in the river, but the population of the
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...
European freshwater crayfish in the river has practically disappeared owing to the introduction of the
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
n
signal crayfish
The signal crayfish (''Pacifastacus leniusculus'') is a species of crayfish indigenous to North America. Introduced to Europe in the 1960s to supplement the North European ''Astacus astacus'' fisheries, which were being damaged by crayfish plague ...
(''Pacifastacus leniusculus'').
Geography
It rises near
Selas, in the
province of Guadalajara
Guadalajara ( , ) is a province of Spain, belonging to the autonomous community of Castilla–La Mancha. As of 2019 it had a population of 258,890 people. The population of the province has grown in the last 10 years. It is located in the centre ...
,
Castile-La Mancha. The Mesa has an irregular flow, due to the long dry season of the summer months, with often heavy rainfall in the spring and autumn. It receives much water at
Jaraba, where there are
thermal springs
A hot spring, hydrothermal spring, or geothermal spring is a spring produced by the emergence of geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow bodies of magma (molten rock) or by cir ...
.
The Mesa River cuts a deep
canyon
A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency t ...
, locally known as ''Hoces del Río Mesa'' (Mesa River Gorges) or ''Valle del Mesa'' (Mesa Valley).
Hoces del Río Mesa
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See also
* List of rivers of Spain
This is an incomplete list of rivers that are at least partially in Spain. The rivers flowing into the sea are sorted along the coast. Rivers flowing into other rivers are listed by the rivers they flow into. Rivers in the mainland Iberian Peninsu ...
References
External links
*{{commons category inline, Mesa River
Rivers of Spain
Rivers of Castilla–La Mancha
Ebro basin
Province of Zaragoza
Province of Guadalajara