Abu Sa'id Al-Khudri (May Allah be pleased with him) reported:
Messenger of Allah ﷺ said, "The best possession of a Muslim will be a herd of sheep with which he retires to the top of a mountain or places where rain is expected to fall (pastures) so as to safeguard with his faith from tribulation."

[Al-Bukhari].

وعنه قال: قال رسول الله ﷺ: "يوشك أن يكون خير مال المسلم غنم يتتبع بها شعف الجبال، ومواقع القطر، يفر بدينه من الفتن" ((رواه البخاري)). وشعف الجبال :أعلاها