Sahih Muslim 3385

Arabic

وَحَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَبْدُ الأَعْلَى، عَنْ مَعْمَرٍ، عَنِ الزُّهْرِيِّ، بِهَذَا الإِسْنَادِ غَيْرَ أَنَّهُ قَالَ ‏ "‏ تُشَدُّ الرِّحَالُ إِلَى ثَلاَثَةِ مَسَاجِدَ ‏"‏ ‏.‏

Translation

This hadith has been narrated on the authority of Zuhri (but with this change of words) that he (Allah's Apostle) said:" Undertake journey to three mosques

Authenticity

Sahih

Reference