View of the Tadrart Rouge near Djanet
|Elevation||1,398 m (4,587 ft)|
|Parent range||Tassili n'Ajjer|
The Tadrart Rouge (meaning "Red Tadrart") or Southern Tadrart or Algerian Tadrart or Meridional Tadrart is a mountain range in southeastern Algeria, part of the Algerian Desert. The area has a rich array of rock art.
The Tadrart Rouge is a roughly 15–30 km large and 150 km long southern prolongation of the Libyan Tadrart Acacus into Algeria spanning to the frontier of Niger.. Primarily composed of sandstone, it links the Tassili n’Ajjer in the north-west to the Djado in the southeast. The range is broken by a series of west-east oriented fossil drainage networks resulting in deep gorges. In Djaren, discharging into the erg of Tin Merzuga, is the most important one. The range reaches its maximum elevation of 1,340 m (4,400 ft) towards its southern end about 160 km southeast of Djanet.
Erosion has formed a large number of natural arches.  The area is well known for the spectacular red-orange sand dune fields contrasting with the jagged dark red rock formations of the range. 
The Tadrart Rouge is today harsh and dry with almost no precipitation. But during the African humid period the area had rainfall and was covered by savanna vegetation and thus was suitable for human and animal life.
The Tadrart Rouge has magnificent Saharan rock art covering a long chronological span from early Neolithic to recent times. Rock walls and rock shelters on wadi bottoms are dotted with both rock paintings and rock engravings, documenting climate change as the area evolved from a savanna 10,000 years ago to a desert 5,000 years ago. The rock art changed in time from wild fauna like elephants, rhinos, giraffes, antelopes, wild bovids to domesticated animals like bovids ovicaprids, horses and finally camels.
- Google Earth
- Malika Hachid, Le Tassili des Ajjers. Aux sources de l'Afrique, 50 siècles avant les pyramides, 1998, ISBN 2-84272-052-0, p. 35.
- Léone Allard-Huard, Nil-Sahara. Dialogues rupestres. Dialogs of the Rocks, pp. 225–239.
- Natural arches of Tassili National Park
- La Tadrart Rouge, Djanet
- Circuit n°1: La Tadrart Rouge
- Stefan Kröpelin et al., Climate driven ecosystem succession in the Sahara: The past 6000 years. Science 2008, 320, pp. 765–768.