Delhi ridge is a ridge in the National Capital Territory of Delhi in India. The ridge is a northern extension of the Aravalli Range. The ridge consists of quartzite rocks and extends from from the Southeast at Tughlaqabad, near the Bhatti mines, branching out in places and tapering off in the north near Wazirabad on the west bank of the river Yamuna,^[1] covering a distance of about 35 kilometers.^[2] A ridge is a geological feature that features a continuous elevational crest for some distance. ... For other uses, see Delhi (disambiguation). ... The Aravali Range The Aravali Range is a range of mountains in western India running approximately 300 miles northeast-southwest across Rajasthan state. ... Quartzite Quartzite is a hard, metamorphic rock which was originally sandstone. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Not to be confused with Jamuna River. ...

The Delhi ridge is said to be the green lungs for the city. It protects Delhi from the hot winds of the deserts of Rajasthan to the west. The ridge is divided into four zones, namely the southern ridge, the south central ridge, the central or the new ridge, and the northern or the Old Delhi ridge.^[1] Rājasthān (DevanāgarÄ«: राजस्थान, IPA: )   is the largest state of the Republic of India in terms of area. ...

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