{{refimprove|date=May 2025}} {{Infobox mountain pass|location=Jizzakh Region, Uzbekistan<br/>(close to Samarkand)|name=Ilan Uti|other_name={{langx|uz|Ilono'tti darasi}}|native_name=Ilono'tti darasi|alt_name=Gateway of Tamerlane|photo=Тамерлановы ворота.jpg|photo_caption=Painting of pass by Vasily Vereshchagin|map=Uzbekistan|map_caption=Location in Uzbekistan|coordinates={{coord|40|04|18.0|N|67|41|31.9|E|type:pass_region:UZ|format=dms|display=inline,title}}|range=Malguzar and Nuratau Mountains|traversed={{ubl|M39 highway| Tashkent-Samarkand Railway}}}}
'''Ilan Uti''' (''Īlān Ūtī'') also called ''Āq Kūtal'' ("White Pass"), is a strategic passage between the Zarafshān Valley and the Eurasian Steppe, separating Samarkand from Jizakh, Ūrā Tippa and Khojand. Located two hours east of Samarkand, it formed an extremely narrow gorge which was said to teem with snakes. This earned it the moniker "Snake Pass". Many travelers passing through in the nineteenth century called it the "Gateway of Tamerlane".<ref>{{Cite book |last=Wilde |first=Andreas |title=What Is Beyond the River? Power, Authority, and Social Order in Transoxania, 18th–19th Centuries |publisher=Österreichische Akademie der Wissenschaften |year=2016 |isbn=978-3-7001-7866-8 |location=Wien |language=En |trans-title=225}}</ref>
== Geography == '''Ilon Uti''' is a mountain gorge with a pass between the Malguzar and Nurata mountain ranges, located in the narrow valley of the Sangzor River in the Jizzakh region of Uzbekistan. It is 16–18 km long and 200–500 m wide, with the riverbed narrowing to 30 m at its narrowest point. The absolute elevation of the pass ranges from 450 to 550 m, while the surrounding mountain slopes rise to 650–700 m.
The ancient Turkic name of the pass was Temir Qapigh ("Iron Gate"). Additionally, it has been historically referred to as the "Jizzakh Road" and the "Sangzor Valley", second most popular names is "Gateway of Tamerlane".
A local mountain-valley wind blows through the pass, with an average speed of 2.3–2.8 m/s, reaching 25–28 m/s at its strongest. The slopes of Ilon Uti rise steeply on both sides. The Malguzar Mountains consist of shale, sandstone, marbled limestone, and porphyrites from the Lower Paleozoic, while the Qoytash Mountains are composed of intrusive rocks such as granite and granodiorites.
The Sangzor Valley was formed in the early Middle Pleistocene due to the river eroding the Malguzar Mountains, cutting through the rock. During this period, tectonic movements caused the Mirzachul region to subside, directing the river's flow into its present course.<ref>''National Encyclopedia of Uzbekistan,'' Volume-1. Tashkent, 2000</ref>
== History == Bukhari, the chronicler of Ubaydallah Khan (r. 1702-1711), twice mentions ''Äq-Kütal'' among the places on the Mawarannahr-Qazaq frontier, but does not specify its position. According to 17th century geography, ''Äq-Kütal'' separated Samarkand and the Zarafshan Valley from Khujand, Ura-Tepe and Dizzaq and other eastern districts.<ref>Mahmud bin Wali "More train", 55</ref> A 19th century author depicts ''Aq-Kütal'' as a place on the route from Samarkand to Jizaq and Zamin.<ref>Muhammad Hakim Khan, "Muntakhab I" 185</ref> In its narrower sense, the "White Pass" ''(Äq-Kütal)'' probably corresponds to a defile of the Jizaq river on the hill route linking Samarqand with Jizaq.
=== Ilanutti inscriptions === {{Main|Ilan Uti inscriptions}}
Rock inscriptions discovered at the site underline its strategic importance between the Samarkand oasis and the Great Steppe. One epigraph commemorates the safe return of the Timurid Mirza Ulugh Beg from a campaign to the "land of the Moghuls". Another inscription reports how in 979/1571-72 the Shaybanid Abdalläh Khän's forces confronted 400.000 men from Turkistan, Tashkent, Farghana and the Dasht-i Qipchaq, slaying so many enemies that the Jizaq river was bloodstained for a month.[[File:Syr-Darya Oblast. Inscription Carved on One of the Cliffs of Ilan Utinsk Gorge WDL3887.png|thumb|Inscription carved on western side cliffs of Ilan Uti gorge by Ulugh Beg and Abdulla Khan II. ]]<gallery widths="220" heights="220"> File:Tamerlane's gate, surroundings of Dizak, 1890.jpg|Photograph of gorge by Paul Nadar File:Syr-Darya Oblast. Ilan Utinsk Gorge WDL3882.png|Photograph of Ilan Uti gorge from Turkestan Album </gallery>
==References== {{reflist}}
Category:Landforms of Uzbekistan Category:Jizzakh Region