Hadith #2575 (Jami' al-Tirmidhi)
Book: The Book on the Description of Hellfire
Narrator(s): 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)

Source: https://parallelquran.com/hadith/jami-al-tirmidhi-2575/