Sahih Muslim 5984
صحيح مسلم#5984SahihIbn 'Umar reported Allah's Messenger (ﷺ) as saying:There is before you a Cistern and the distance between its two sides is as it is between Jarba' and Adhruh
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 43:45