Sahih al-Bukhari 6577
صحيح البخاري#6577SahihNarrated Ibn `Umar:The Prophet (ﷺ) said, "There will be a tank (Lake-Fount) in front of you as large as the distance between Jarba and Adhruh (two towns in Sham)
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: 81:165