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390:, which has an approximate area of 38.84 km (15.00 sq mi), and is limited to the north and northeast by the Wadi Naqab hydrographic basin; to the east with the Wadi Kiriba; to the southeast with the Wadi Al Tawiyeen basin; to the southwest with minor wadis that pour their waters into the great
428:
The source of the main channel of the Wadi Nahela is located approximately at an altitude of 903 m (2,963 ft), at a point equidistant between Jabal Ash Sharaf 639 m (2,096 ft) and Aqbat Al Kibs 1,209 m (3,967 ft), very close to the line of territorial demarcation between
478:
At the beginning of the lower course of the Wadi Nahela, at the point where the current channel of the wadi turns towards the northwest, a small dam was built in 1986, intended to feed underground water resources and reduce damage from possible floods, which receives the name of Wadi Nahela
Breaker
721:
Application of a hydrological model in a data poor arid region catchment: a case study of Wadi Ham - Mohamed
Mustafa Al Mulla PhD Thesis Academic Year 2005-2006 - Supervisor: Dr Ian P. Holman - December 1, 2005 - Cranfield University at Silsoe - Institute of Water and Environment
501:
Towards the middle of its lower course, shortly before its mouth, the Wadi Nahela receives on the left the confluence of two other important tributaries: the Wādī Diwе̄rah (identified on older maps as Wadi
Duwaira) and the Wādī Al Mawārid (also known as Wadi Muwarid).
493:
Each new bifurcation distributes the potential waters and the resulting arms lose flow and intensity, so the new channels also lose definition, making it very difficult to determine which is the main arm, especially because, as usually happens in other
412:
The highest point is located at the eastern end, at the top of Jabal Harf (1,420 m (4,660 ft)), on whose western slope the Wadi Baqal originates, and other important tributaries and sub-tributaries of the Wadi Nahela.
655:
Al-Farraj, Asma & Harvey, Adrian. (2004). Late
Quaternary interactions between aeolian and fluvial processes: A case study in the northern UAE. Journal of Arid Environments. 56. 235–248. 10.1016/S0140-1963(03)00054-5.
524:
The names of Wadi Nahela (spelled Wadi Nahail) and its tributary Wadi Baqal were recorded in the documentation and maps prepared between 1950 and 1960 by the
British Arabist, cartographer, military officer and diplomat
462:
constructions, and almost at the end of the middle course, the confluence of a small tributary wadi, also on the right, very popular among hikers because its channel leads to an area with picturesque caves, known as
498:
of similar morphology, over time, the wadi´s current can also wander between torrential rains and others, greatly altering the previous courses, which nevertheless maintain their mark on the plain.
529:, during the work carried out to establish borders between the then so-called Trucial States, later completed by the United Kingdom Ministry of Defence, on 1:100,000 scale maps published in 1971.
873:
FO 371/140223 - 1959 - Relations between rulers of
Trucial States and Petroleum Development Trucial Coast Company. Code BA file 1531 (papers 1 to 11) - The National Archives, London, England <
740:
Map of
Trucial States, Muscat and Oman - Rams - Scale 1:100 000 - Published by D Survey, Ministry of Defence, United Kingdom (1971) - Edition 3-GSGS - The National Archives, London, England <
401:
Almost all this hydrographic basin is in the
Emirate of Ras Al Khaimah. Only a small portion of 0.77 km (0.30 sq mi) south of the basin belongs to the Emirate of Fujairah.
657:
597:
Jāmiʻat al-Imārāt al-ʻArabīyah al-Muttaḥidah. Geoprojects (U.K.) Ltd., The
National atlas of the United Arab Emirates, Al Ain : United Arab Emirates University - 1993
723:
486:
and sides of sedimentary materials eroded by water. Afterward, the wadi channel loses definition and is progressively integrated into the Jiri plain, forming an
706:
1045:
658:
https://www.researchgate.net/publication/256941317_Late_Quaternary_interactions_between_aeolian_and_fluvial_processes_A_case_study_in_the_northern_UAE
99:
458:
Seven hundred meters after the mouth of the Wadi Baqal, we can find on the left bank of the wadi the ruins of an older settlement, with the usual
49:
860:
Trucial States: water resources; with hydrological and groundwater survey - Ref. FO 1016/840 - 1965 - The
National Archives, London, England <
691:
Trucial States: water resources; with hydrological and groundwater survey - Ref. FO 1016/840 - 1965 - The National Archives, London, England <
199:
At an equidistant point located between the Jabal Ash Sharaf 639 m (2,096 ft) and Aqbat Al Kibs 1,209 m (3,967 ft), in the
247:
555:
824:
889:"A discussion of rock carvings in Ra's al Khaimah Emirate, UAE, and Musandam province, Sultanate of Oman, using local considerations"
637:
FCO 18/1969 - 1959 - Sketch map drawn by Julian Walker for boundary delimitation: Dibba - The National Archives, London, England <
550:
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74:
724:
https://dspace.lib.cranfield.ac.uk/bitstream/handle/1826/3061/Mohamed%20Al%20Mulla%20Thesis%202005.pdf?sequence=1&isAllowed=y
482:
During the first kilometer and a half of the route, after the dam, the Wadi Nahela follows a well-defined channel with a bed of
451:
From that point on, the wadi moderates its slope. It follows a layout typical of a middle course, receiving on the right the
420:
and Tala, although there are other small villages and farms scattered around, most of them without permanent inhabitants.
379:
or river with intermittent flow, which flows almost exclusively during the rainy season, located at the northeast of the
444:
In the first kilometer and a half from its source, the Wadi Nahela has a very steep slope, typical of a torrent in its
937:
227:
In the Sе̄ḩ Al Bīr area, which is part of the large Jiri plain floodplain, on the administrative boundary between
455:
of an important tributary that begins its course on the western slope of the Jabal Harf and the Wadi Baqal.
1018:
888:
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Alternative names: Wādī Ghēl, Wadi Ghil, Wadi Nahail, Wadi Nahala, Wadi Nehaila, Wadi Nuhaila, Wādī Nḥīlh.
825:
https://admin.bayanat.ae/Home/DatasetInfo?dID=lFWr8jmvtTwdCtQd7uDtLjOq-EB6rfmemu-OtkcDuCo&langKey=en
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490:. Its sides lose height, and sporadically, it widens considerably and divides into successive forks.
430:
200:
179:
375:), also known as Wādī Ghēl, Wadi Ghil, Wadi Nahail, Wadi Nahala, Wadi Nehaila or Wadi Nuhaila, is a
776:
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Honour is in Contentment: Life Before Oil in Ras Al-Khaimah (UAE) and Some Neighbouring Regions
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In the National Atlas of the United Arab Emirates it appears with the spelling Wādī Ghēl.
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tribe, distributed between the tribal areas of Bani Idaid, Banī Ḩasan and Banī Rayyil.
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View of Wadi Baqal, a tributary of Wadi Nahela, as it passes through the town of Baqal
933:
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The entire area near the Wadi Nahela and its tributaries was populated by the
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Wadi Nahela - middle course. View from the ruins area of an old village
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View of Wadi Nahela in its lower course, after the Wadi Nahela breaker
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838:"Mindat.org - Jīrī Plain, Ra's al Khaymah, United Arab Emirates |"
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Mindat.org - Banī Rayyil, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Banī ‘Udayd, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Wādī Kirībā, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Banī Ḩasan, Ra’s al Khaymah, United Arab Emirates
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Tribes of Trucial States coast - 1958- Ref. FO 371/132894 <
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Mindat.org - Wādī Baqal, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Al Faḩlayn, Ra’s al Khaymah, United Arab Emirates
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Ministry of Energy and Infrastructure in UAE - Federal Dams
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The most prominent towns in the Wadi Nahela watershed are
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Mindat.org - Baqal, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Khatt, Ra’s al Khaymah, United Arab Emirates
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Mindat.org - Ţawīyayn, Al Fujayrah, United Arab Emirates
954:
https://www.agda.ae/en/catalogue/tna/fo/371/132894/n/43
875:
https://www.agda.ae/en/catalogue/tna/fo/371/140223/n/65
862:
https://www.agda.ae/en/catalogue/tna/fo/1016/840/n/184
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https://www.agda.ae/en/catalogue/tna/fo/1016/840/n/184
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Lancaster, William; Lancaster, Fidelity (July 2011).
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887:Lancaster, William; Lancaster, Fidelity (2011).
742:https://www.agda.ae/en/catalogue/tna/fco/18/1785
639:https://www.agda.ae/en/catalogue/tna/fco/18/1969
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1026:Traventure Talks - Caves of Baqal-Nahela - 2022
966:Al Ḩabūs, Umm al Qaywayn, United Arab Emirates
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16:River in Ras Al Khaimah, United Arab Emirates
474:Wadi Nahela breaker, small dam built in 1986
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300:38.84 km (15.00 sq mi)
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317:Wadi Nahela / Wādī Ghēl / Wadi Ghil
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284:21 m (69 ft)
268:25.6545389; 55.9994806
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22:Wadi Nahela
1040:Categories
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810:2024-04-30
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572:References
533:Population
453:confluence
396:Jiri plain
377:dry valley
372:Wādī Nḥīlh
361:وادي نحيله
345:Wadi Baqal
297:Basin size
229:Al Fahlain
129:وادي نحيله
913:1600-0471
460:dry stone
366:romanized
25:Wādī Ghēl
545:See also
506:Toponymy
484:boulders
144:Location
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233:Khatt
223:Mouth
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