does this mountain have any religious significance?
Yes, it is the place where Prophet spent his time away from the bustling city of Makkah in seclusion.
Mecca
This is a mountain believed by Muslims to have been the place where Muhammad spent his time away from the bustling city of Makkah in seclusion. 
who was marwan i? He was the fourth Umayyad caliph where was he born? Mecca in the Hejaz what religion is followed in mecca? Islam how does ibn describe this place? A holy sanctuary what is the importance of islam practiced here? The city derives its importance from the role it plays in the Hajj and 'Umrah. how is jabal an-nur related to this place? This is a mountain
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Mecca [SEP] Jabal an-Nur
This is a mountain believed by Muslims to have been the place where Muhammad spent his time away from the bustling city of Makkah in seclusion. The mountain is located on the eastern entrance of the city and is the highest point in the city at 642 meters (2,106 feet).