The Book of Pilgrimage
15/74. Chapter:
A woman travelling with a Mahram for Hajj and other purposes
Sahih Muslim
وَحَدَّثَنَاهُ ابْنُ الْمُثَنَّى، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، بِهَذَا الإِسْنَادِ وَقَالَ " أَكْثَرَ مِنْ ثَلاَثٍ إِلاَّ مَعَ ذِي مَحْرَمٍ " .
This hadith has been narrated on the authority of Qatada with the same chain of transmitters and he said: " More than three (days) except in the company of a Mahram."
Reference : Sahih Muslim 827hIn-book reference : Book 15, Hadith 469USC-MSA web (English) reference : Book 7, Hadith 3103