Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) narrates that we used to travel with the Noble Prophet (peace and blessings be upon him). When we ascended (to a high place), we would say "Allahu Akbar," and when we descended (from a high place), we would say "Subhan Allah."
Hadith Referenceالفتح الربانی / أبواب صلاة السفر وآدابه وأذكاره وما يتعلق به / 2323
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«أخرجه البخاري: 2993، 2994 ، (انظر مسند أحمد ترقيم الرسالة: 14568 ترقیم بيت الأفكار الدولية: 14622»