Jebel Mara is located in Darfur region, the western part of Sudan between latitudes 12° 25' and 13° N and longitudes 24° 10' and 24° 12' E, extending along 135 km in the north-south direction with a maximum width of about 80 km in the southern third of the mountain. Total area is estimated to be about 2000 km². It lies within a plain of semi-desert with desert to the north. The natural vegetation habitats are characterized by rich plant and tree composition and include the gallery and riverian forests, savanna grassland with scattered trees, savanna woodlands and Boswellia mixed stands on hillside. Deriba Caldera (crater lake), is at the highest point of Jebel Mara located at latitude 12° 95' N - longitude 24° 27' E at an elevation of 3,042 m (9,980 ft), Darfur, western Sudan. The 5-kilometre wide Deriba Caldera was formed by explosive eruption of the Jebel Mara Volcano approximately 3,500 years ago. The volcano is considered dormant, rather than extinct, as hot springs and fumaroles (gas and steam vents) are still present. While Jebel Mara is high enough (3,042 meters) to have a temperate climate and high precipitation, these lakes may be fed by hot springs as well as rainwater.
Source: UNESCO WHS Tentative List
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