كتاب الحج
15  
The Book of Pilgrimage
(37)
Chapter: It is recommended to enter Makkah from the Upper Mountain Pass and to leave from the Lower Mountain Pass; Entering a city via a route different than the one by which you leave it
(37)
باب اسْتِحْبَابِ دُخُولِ مَكَّةَ مِنَ الثَّنِيَّةِ الْعُلْيَا وَالْخُرُوجِ مِنْهَا مِنَ الثَّنِيَّةِ السُّفْلَى وَدُخُولِ بَلْدَةٍ مِنْ طَرِيقٍ غَيْرِ الَّتِي خَرَجَ مِنْهَا
Sahih Muslim 1257 b

This hadith has been narrated on the authority of 'Ubaidullah with the same chain of transmitters and in the narration transmitted by Zubair (it is mentioned) that the upper side is that'which is at al-Batha

وَحَدَّثَنِيهِ زُهَيْرُ بْنُ حَرْبٍ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، قَالاَ حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ، بِهَذَا الإِسْنَادِ ‏.‏ وَقَالَ فِي رِوَايَةِ زُهَيْرٍ الْعُلْيَا الَّتِي بِالْبَطْحَاءِ ‏.‏
Reference : Sahih Muslim 1257b
In-book reference : Book 15, Hadith 247
USC-MSA web (English) reference : Book 7, Hadith 2886
  (deprecated numbering scheme)