The Book of Pilgrimage
وَحَدَّثَنِي مُحَمَّدُ بْنُ رُمْحِ بْنِ الْمُهَاجِرِ الْمِصْرِيُّ، أَخْبَرَنَا اللَّيْثُ، ح وَحَدَّثَنَا قُتَيْبَةُ، - وَاللَّفْظُ لَهُ - قَالَ حَدَّثَنَا لَيْثٌ، عَنْ نَافِعٍ، قَالَ كَانَ ابْنُ عُمَرَ يُنِيخُ بِالْبَطْحَاءِ الَّتِي بِذِي الْحُلَيْفَةِ الَّتِي كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُنِيخُ بِهَا وَيُصَلِّي بِهَا .Nafi' reported that 'Abdullah b. Umar (Allah be pleased with them) used to halt his camel in the stony ground at Dhu'l-Hulaifa, where Allah's Messenger (ﷺ) used to make a halt (and pray)
From Sahih Muslim, whose reports the scholars accept as authentic.