Aravalli mountain range is the unique geographical region of Rajasthan. Aravalli is the most ancient mountain range of the world, which runs diagonally in the state from North-East to South-West. It has its extent of about 692 km originating from Delhi in the North of Palampur in Gujarat. It extends over seven districts of the state, namely Sirohi, Udaipur, Rajsamand and Ajmer, Jaipur, Dausa and Alwar.
The Aravalli Mountain Range is divided into three sub-regions:
1. South Aravalli Region
2. Central Aravalli Region
3. North Aravalli Region
(1) South Aravalli Region:
It includes Sirohi, Udaipur and Rajsamand districts. It is totally a mountainous region. Herein the Aravalli ranges are highly dense and elevated. There are many high peaks of the Aravalli ranges here. It has ‘Guru shikhar’, the highest mountain peak of Rajasthan. Its height is 1722 m and is located in the Mt. Abu area of Sirohi district. Other main high mountain peaks are Ser (1597 m), Achalgarh (1380 m) and Rishikesh (10l!7 m). The Udaipur Rajsamand region has Jaraga mountain, the highest peaik. It is 1431 m high. Other ranges of this area are Kumbhalgarh (1224 m) Lilagarh (874 m) Kamalnath hills (1001 m) and Sajjangarh (938 m). To the northwest of Udaipur there is a plateau between Khumbhalgarh and Gogunda, known as ‘Bhorat Plateau’.
(2) Central Aravalli Region:
It lies mainly in Ajmer district. This area includes mountain ranges as well as narrow valley and plain land. Taragarh (870 m) in the south-west part of Ajmer and Sarpilakar mountain ranges in the west are known as ‘Naag hills’ (795 m). In Beawar tehsil there are four passes of Aravalli ranges, namely Bur, Parweria and Shivpura ghat, Sura ghat pass and Debari.
(3) Northern Aravalli Region:
It has its extent over Jaipur, Dausa and Alwar districts. Here the Aravalli ranges are not continuous but are irregular. This region has Shekhawati hills, Torawati hills and Jaipur and Alwar hills. Average height of the hills varies between 450 m to 750 m. Its main high peaks are Raghunathgarh (1055 m) in Sikar district, Bairath (792 m) in Alwar and Kho (920 m) in Jaipur. Other high peaks in this region are Jaigarh, Nahargarh, Alwar fort and Bilali.
