Sayyiduna Jubair bin Mut'im (may Allah be pleased with him) narrates that I went to Arafat to search for one of my camels, and I saw the Noble Prophet (peace and blessings be upon him) standing with the people in the plain of Arafat. I said to myself, "By Allah, indeed you are from the Hums (Quraysh), so why are you standing in Arafat?" And the Noble Prophet (peace and blessings be upon him) that year was also standing in Arafat at the same place where he used to stand before.
Hadith Referenceصحيح ابن خزيمه / جماع أبواب ذكر أفعال اختلف الناس فى إباحته للمحرم، نصت سنة النبى صلى الله عليه وسلم أو دلت على إباحتها / 3060