Hadith #2575The Book on the Description of Hellfire · Narrated by Aban bin Ishaq al-Asady أبان بن إسحاق الأسدي, ibn Mas'ud, Mrh al-Hmdany Akhrj al-Bghwy, Muhammad bin 'Ubaid al-Tanafasi محمد بن عبيد بن أبي أمية الطنافسي, Yahya bin Musa Khat يحيى بن موسى خت
“As-Saud is a mountain in the Fire, a disbeliever will be raised upon it for seventy autumns and then similarly he will fall down it, forever.” (Daif)