Narrated Ibn `Abbas: Staying at Al-Mahassab is not one of the ceremonies (of Hajj), but Al-Mahassab is a place where Allah's Apostle camped (during his Hajjat-al-Wida).
Hadith ReferenceSahih Bukhari / The Book of Hajj / Hadith: 1766
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة