Lut Desert

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The Lut Desert: A Geological Marvel in Iran

The Lut Desert, officially known as Dasht-e Lut, is a captivating expanse of arid land situated in the southeastern regions of Iran, spanning across the provinces of Kerman and Sistan-Baluchestan. This vast desert, covering approximately 51,800 square kilometers, is the 33rd largest desert globally and holds a significant place within the realm of geology due to its unique and awe-inspiring landforms. In recognition of its exceptional geological processes, the Lut Desert was inscribed onto the UNESCO World Heritage List on July 17, 2016.

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UNESCO Description of the World Heritage Site

The Lut Desert, or Dasht-e-Lut, is located in the south-east of the country. Between June and October, this arid subtropical area is swept by strong winds, which transport sediment and cause aeolian erosion on a colossal scale. Consequently, the site presents some of the most spectacular examples of aeolian yardang landforms (massive corrugated ridges). It also contains extensive stony deserts and dune fields. The property represents an exceptional example of ongoing geological processes. 

UNESCO Justification of the World Heritage Site

Criterion (vii): The Lut Desert protects a globally-recognized iconic hot desert landscape, one of the hottest places on earth. It is renowned for its spectacular series of landforms, namely the yardangs (massive corrugated ridges) in the west of the property and the sand-sea in the east. The yardangs are so large and impressive that they can be seen easily from space. Lut is particularly significant for the great variety of desert landform types found in a relatively small area. Key attributes of the aesthetic values of the unspoilt property relate to the diversity and sheer scale of its landforms; a visually stunning mosaic of desert colours; and uninterrupted vistas across huge and varied dune systems that transition into large flat desert pavement areas.

Criterion (viii): The property represents an exceptional example of ongoing geological processes related to erosional and depositional features in a hot desert. The yardang/kalut landforms are widely considered the best-expressed in the world in terms of extent, unbroken continuity and height. The Lut sand-seas are amongst the best developed active dune fields in the world, displaying a wide variety of dune types (crescentic ridges, star dunes, complex linear dunes, funnel-shaped dunes) with dunes amongst the highest observed anywhere on our planet. Nebkha dune fields (dunes formed around plants) are widespread with those at Lut as high as any measured elsewhere. Evaporite (salt) landforms are displayed in wide variety, including white salt-crusted crystalline riverbeds, salt pans (playa) with polygonally fractured crusts, pressure-induced tepee-fractured salt crusts, gypsum domes, small salt pingos (or blisters), and salt karren. Other dry-land landforms include extensive hamada (stony desert pavements or reg) usually located on pediment surfaces with wind faceted stones (ventifacts), gullied badlands and alluvial fans (bajada).

Encyclopedia Record: Dasht-e Lut

Dasht-e Lut, also known as Namakzar-e Shahdad and widely referred to as the Lut Desert is a salt desert located in the provinces of Kerman and Sistan-Baluchestan, Iran. It is the world's 33rd-largest desert, and was included in UNESCO's World Heritage List on July 17, 2016.

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IUCN World Heritage Outlook

The 2025 Conservation Outlook on Lut Desert reports the following assessment:

Source: International Union for Conservation of Nature (IUCN) · View assessment