Sunan an-Nasa'i 700
سنن النسائي#700Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ مَنْصُورٍ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنِ الزُّهْرِيِّ، عَنْ سَعِيدٍ، عَنْ أَبِي هُرَيْرَةَ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ تُشَدُّ الرِّحَالُ إِلاَّ إِلَى ثَلاَثَةِ مَسَاجِدَ مَسْجِدِ الْحَرَامِ وَمَسْجِدِي هَذَا وَمَسْجِدِ الأَقْصَى " .
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"Mounts are not saddled for except to (travel to) three Masjids: Al-Masjid Al-Haram, this Masjid of mine, and Al-Masjid Al-Aqsa
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 8:13