Sahih Muslim Book 7, Hadith Number 3122.

Chapter : Staying at Dhu’l-Halaifa and observing of prayer there, while returning from Hajj or Umra.

Nafi’ reported that when ‘Abdullah b. ‘Umar returned from Hajj or ‘Umra he made his camel kneel down (i.e. halted) in the stony ground of Dhu’l-Hulaifa where Allah’s Messenger (may peace be upon him) had made his camel halt.