Sahih Muslim 3322
صحيح مسلم#3322SahihAnas b. Malik reported a hadith like this from Allah's Apostle (ﷺ) except with this variation that he said:" I declare sacred the area between its two lava mountains
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: 15:526