The Asir Mountains ( ar, جِبَال عَسِيْر, '; (' Difficult')) is a mountainous region in southwestern

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...

running parallel to the

Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; ...

. It comprises areas in the

Asir Region The ʿAsir Region ( ar, عَسِيرٌ, ʿAsīr, lit=difficult) is a region of Saudi Arabia located in the southwest of the country that is named after the ʿAsīr tribe. It has an area of and an estimated population of 2,211,875 (2017). It is ...

of Saudi Arabia, however it also generally includes areas near the

Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...

i border. The mountains cover approximately and consists of mountains, plains, and valleys of the Arabian highlands. ''

Sensu lato ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular c ...

'', they are part of the Sarawat Mountains, defining the latter as the mountain range which runs parallel to the

Tihamah Tihamah or Tihama ( ar, تِهَامَةُ ') refers to the Red Sea coastal plain of the Arabian Peninsula from the Gulf of Aqaba to the Bab el Mandeb. Etymology Tihāmat is the Proto-Semitic language's term for ' sea'. Tiamat (or Tehom, in m ...

throughout the western portion of the Arabian Peninsula, particularly the western parts of Saudi Arabia and Yemen.

Geology

The mountains consist primarily of sedimentary rock,

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...

and shale, of

Jurassic The Jurassic ( ) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The Jurassic constitutes the middle period of ...

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

and Paleogene origin on a Precambrian

granitic A granitoid is a generic term for a diverse category of coarse-grained igneous rocks that consist predominantly of quartz, plagioclase, and alkali feldspar. Granitoids range from plagioclase-rich tonalites to alkali-rich syenites and from quartz- ...

basement.

Climate and agriculture

The region has the highest average rainfall of

due to largely seasonal rain. Average rainfall can range from to over per year, in wet regions. The eastern plains and plateaus receive much lower amounts, from to below per year. The region's crops, most of which are cultivated on steeply terraced mountainsides, include

wheat Wheat is a grass widely cultivated for its seed, a cereal grain that is a worldwide staple food. The many species of wheat together make up the genus ''Triticum'' ; the most widely grown is common wheat (''T. aestivum''). The archaeologi ...

coffee Coffee is a drink prepared from roasted coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content. It is the most popular hot drink in the world. Seeds of ...

cotton Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus '' Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor pe ...

indigo Indigo is a deep color close to the color wheel blue (a primary color in the RGB color space), as well as to some variants of ultramarine, based on the ancient dye of the same name. The word "indigo" comes from the Latin word ''indicum'', m ...

, ginger,

vegetable Vegetables are parts of plants that are consumed by humans or other animals as food. The original meaning is still commonly used and is applied to plants collectively to refer to all edible plant matter, including the flowers, fruits, stems, ...

s, and

palm Palm most commonly refers to: * Palm of the hand, the central region of the front of the hand * Palm plants, of family Arecaceae **List of Arecaceae genera * Several other plants known as "palm" Palm or Palms may also refer to: Music * Palm (ba ...

s. The region also supports

cattle Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus ''Bos''. Adult females are referred to as cows and adult ma ...

sheep Sheep or domestic sheep (''Ovis aries'') are domesticated, ruminant mammals typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus '' Ovis'', in everyday usage it almost always refers to domesticated ...

goat The goat or domestic goat (''Capra hircus'') is a domesticated species of goat-antelope typically kept as livestock. It was domesticated from the wild goat (''C. aegagrus'') of Southwest Asia and Eastern Europe. The goat is a member of the a ...

s, and camels.

Biodiversity

The region's difficult terrain has helped preserve the region's unique biodiversity. Several new Myxomycetes fungi species have been discovered in the region, as have a variety of previously undiscovered plants. Asir is also thought to be one of the last natural habitats of the

Arabian leopard The Arabian leopard (''Panthera pardus nimr'') is a leopard subspecies native to the Arabian Peninsula. It has been listed as Critically Endangered on the IUCN Red List since 1996 as fewer than 200 wild individuals were estimated to be alive i ...

. and also the Asir magpie, believed to be down to its last 135 pairs.

Gallery

File:Abha1.jpg,

Abha Abha ( ar, أَبْهَا, ') is the capital of 'Asir Region in Saudi Arabia, with a population of 1,093,705 as of 2021. It is situated above sea level in the fertile Asir Mountains of south-western Saudi Arabia, near Asir National Park. Abh ...

city, located above sea level in the

'Asir Region The ʿAsir Region ( ar, عَسِيرٌ, ʿAsīr, lit=difficult) is a region of Saudi Arabia located in the southwest of the country that is named after the ʿAsīr tribe. It has an area of and an estimated population of 2,211,875 (2017). It is ...

File:Living on the verge of Habala Valley.jpg, Habala Valley near

File:Alsooda0002.jpg,

Al Souda Soudah (Arabic: ٱلسّوْدَة), is a mountainous area in the Asir region of Saudi Arabia. At 3,015 metres (9,893 ft) above sea level, the area is known for its dense juniper tree covered mountains. The area is currently experiencing susta ...

h File:منظر من بلاد قبيلة حوالة4.jpeg,

Jabal Atherb Jabal Atherb ( ar, جَبَل أَثَرْب) is a mountain in Bareq, Saudi Arabia. The mountain consist primarily of sedimentary rock of Jurassic, Cretaceous, and Tertiary origin. Climate and agriculture The mountain has the highest average ra ...

, as seen from Ḥawālah in Bareq

Geology

Climate and agriculture

Biodiversity

Gallery

See also

References

Further reading