كتاب الحج
15  
The Book of Pilgrimage
(50)
Chapter: Stoning Jamrat Al-'Aqabah from the bottom of the valley; Makkah should be on to one's left and one should say Takbir with each throw
(50)
باب رَمْىِ جَمْرَةِ الْعَقَبَةِ مِنْ بَطْنِ الْوَادِي وَتَكُونُ مَكَّةُ عَنْ يَسَارِهِ وَيُكَبِّرُ مَعَ كُلِّ حَصَاةٍ
Sahih Muslim 1296 d

Abd al-Rahman b. Yazid reported that he performed Hajj along with 'Abdullah (Allah be pleased with him) and he flung seven pebbles at al-Jamra (from a position) that the House was on his left and Mina was on his right and said:

That is the place (of flinging pebbles of one) upon whom Surah al-Baqara was revealed.
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا غُنْدَرٌ، عَنْ شُعْبَةَ، ح وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ بَشَّارٍ قَالاَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنِ الْحَكَمِ، عَنْ إِبْرَاهِيمَ، عَنْ عَبْدِ الرَّحْمَنِ، بْنِ يَزِيدَ أَنَّهُ حَجَّ مَعَ عَبْدِ اللَّهِ قَالَ فَرَمَى الْجَمْرَةَ بِسَبْعِ حَصَيَاتٍ وَجَعَلَ الْبَيْتَ عَنْ يَسَارِهِ وَمِنًى عَنْ يَمِينِهِ وَقَالَ هَذَا مَقَامُ الَّذِي أُنْزِلَتْ عَلَيْهِ سُورَةُ الْبَقَرَةِ ‏.‏
Reference : Sahih Muslim 1296d
In-book reference : Book 15, Hadith 338
USC-MSA web (English) reference : Book 7, Hadith 2973
  (deprecated numbering scheme)