The Lakes of Ubari Sand Sea

Apr 4, 2015 14 comments

The Ubari Sand Sea is a vast area of towering sand dunes in the Fezzan region of south-western Libya. But 200,000 years ago, this was a wet and fertile region with plenty of rainfall and flowing rivers. These rivers fed a vast lake, the size of Czech Republic, in the Fezzan basin called Lake Megafezzan. During humid periods the lake reached a maximum size of 120,000 square kilometers. Climate change caused the region, a part of Sahara, to gradually dry up and between 3,000 to 5,000 years ago, the lake evaporated away into thin air. Traces of this great lake still exist today in the form of micro lakes scattered among the towering dunes like wet patches in the desert. Currently there are about 20 lakes in the Ubari Sand Sea - beautiful palm-fringed oases that appear like anomalies in the harsh desert environment.


Oum al-Maa Lake, Ubari Sand Sea. Photo credit: unknown

Among the most picturesque of the lakes are Gaberoun and Umm al-Maa (the Mother of Water). Located besides the ruins of the old village, Gaberoun is the one tourists mostly visit. There is a rudimentary tourist camp on the shore, including an open patio, sleeping huts, and a souvenir shop. There are two more beautiful lakes - Umm al-H'isan (the Mother of the Horse), also spelt as Oum El Hassan, located north of Gaberoun; and another one at Tarhouna, about 11km from Umm al-H'isan. These are, however, rarely visited by tourists.

The Ubari lakes are very salty. This is due to the fact that these lakes are being continuously evaporated and have no rivers replenishing them (Libya has no perennial rivers that persist year-round). This has caused the dissolved minerals in the lake waters to become concentrated. Some of these lakes are nearly five times saltier than seawater. Some take on blood-red hue from the presence of salt-tolerant algae.

Although the Ubari Lakes are not exactly shallow, ranging from 7 to 32 meters in depth, they are at the risk of drying out. The waters in Sahara’s underground aquifers, that were deposited tens of thousands of years ago in much wetter times, is limited and this is already declining thanks to the increasing use of aquifer water by growing human populations. About three decades ago the Libyan government undertook an ambitious project called Great Man-Made River, aimed at drawing water from the aquifers beneath the Fezzan region via a network of underground pipes to make the desert bloom. The project, if successful, will drain these enormous reserve of fresh water in just 50 to 100 years.


Oum al-Maa Lake. Photo credit


Oum al-Maa Lake. Photo credit: George Steinmetz


Oum al-Maa Lake. Photo credit


Oum al-Maa Lake. Photo credit


Oum al-Maa Lake. Photo credit


Mandara lake, Libya. Photo credit


Photo credit


Gaberoun Lake. Photo credit


Gaberoun Lake. Photo credit


Gaberoun Lake. Photo credit

Sources: Nat Geo / Temehu / Webecoist / Libya Herald

Also see:

huacachina lakes-of-ounianga

lake-turkana waw-an-namus

band-e-amir guelta-archei


  1. It is really beautiful. Why Ubari Sand Sea will never be dried-up? I searched for "Ubari Sand Sea" in Google Earth found not result, do you know it's real name?

  2. This is a great place and I fall in love instantly. First of all, I want to give a thanks to here I've done a link back there in my comment. Just a big WoW for it!

  3. The place is very attractive. I wish I went to go there.Thanks for sharing this picture.

  4. Wow its hard to believe that we have such beautiful place in our world , looks as if its Photoshoped but then the fact that its real is mind blowing . Great pics , simply amazing

  5. All sceneries are looking very stunning . You are well-done for shared .

  6. The place is exceptionally appealing. I wish I went to go there.Thanks for sharing this photo.

  7. Nice picture. Thanks for sharing this photo.

  8. wow.. i first time see this images. this place looks great........

  9. where is the link to copy & share this wonderful article on whatsapp?


  10. The picture are really nice. Thanks for sharing.

  11. Wow its hard to believe that we have such beautiful place in our world , looks as if its Photoshoped but then the fact that its real is mind blowing . Great pics , simply amazing. Thank you

  12. This place never seize to amaze me. I really want to go there for once but never could have. But I will be going there one whatever it takes.


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