(33) باب النَّهْىِ عَنِ الْجُلُوسِ، عَلَى الْقَبْرِ وَالصَّلاَةِ عَلَيْهِ
Abu Marthad al-Ghanawi reported Allah's Messenger (ﷺ) as saying:
Do not pray facing towards the graves, and do not sit on them. (AR)
Reference (AR): Sahih Muslim 972 b (AR)
In-book reference (AR): Book 11, Hadith 127 (AR)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 2122 (AR)