Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 609
Narrated 'Umar:
In the valley of Al-'Aqiq I heard Allah's Apostle saying, "To night a messenger came to me from my Lord and asked me to pray in this blessed valley and to assume Ihram for Hajj and 'Umra together. "