Sahih al-Bukhari 1534
صحيح البخاري#1534SahihNarrated `Umar:In the valley of Al-`Aqiq I heard Allah's Messenger (ﷺ) 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 25:22