Sunan of Abu Dawood Book 11, Hadith 1913

حَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا يَعْقُوبُ، حَدَّثَنَا أَبِي، عَنِ ابْنِ إِسْحَاقَ، حَدَّثَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، قَالَ غَدَا رَسُولُ اللَّهِ صلى الله عليه وسلم مِنْ مِنًى حِينَ صَلَّى الصُّبْحَ صَبِيحَةَ يَوْمِ عَرَفَةَ حَتَّى أَتَى عَرَفَةَ فَنَزَلَ بِنَمِرَةَ وَهِيَ مَنْزِلُ الإِمَامِ الَّذِي يَنْزِلُ بِهِ بِعَرَفَةَ حَتَّى إِذَا كَانَ عِنْدَ صَلاَةِ الظُّهْرِ رَاحَ رَسُولُ اللَّهِ صلى الله عليه وسلم مُهَجِّرًا فَجَمَعَ بَيْنَ الظُّهْرِ وَالْعَصْرِ ثُمَّ خَطَبَ النَّاسَ ثُمَّ رَاحَ فَوَقَفَ عَلَى الْمَوْقِفِ مِنْ عَرَفَةَ ‏.‏

Ibn ‘Umar said the Apostle of Allaah(ﷺ) proceeded from Mina when he offered the dawn prayer on Yaum Al ‘Arafah (9th of Dhu Al Hijjah) in the morning till he came to ‘Arafah and he descended at Namrah. This is the place where the imam (prayer leader at ‘Arafah) takes his place. When the time of the noon prayer came, the Apostle of Allaah(ﷺ) proceeded earlier and combined the noon and afternoon prayers. He then addressed the people (i.e., recited the sermon) and proceeded. He stationed at a place of stationing in ‘Arafah