One of the most important historical monuments that are keen to visit when tourism in Mecca, it was built by the Abbasid Caliph Abu Ja'far Al-Mansour in 144 AH corresponding to 761 AD, in memory of the place where the meeting of the Prophet (PBUH) in Ansar for the first time when it was sold by only 12 people from Al-Aws and Al-Khazraj The first obstacle that is considered the first allegiance in Islam.

Al-Bayyah Mosque also witnessed the second Al-Aqaba Biyat, in which the number of supporters increased to 73. As for the mosque, it is 300 meters from Jamarat Bridge to the right at the bottom of Wadi Mina. Original Structural