(102) Chapter: Takbir and Tasbih during travel
(102) التكبير والتسبيح في سير السَّفِر
Hisn al-Muslim 214
-- Jabir (ra), said:
Whenever we went up a hill we would say Allāhu Akbar (Allah is the Most Great) and when we descended we would say Subḥānallāh (Glory is to Allah).
Reference: Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 6/135.
قَالَ جَابِرٌ رضي الله عنه: (كُنَّا إِذَا صَعَدْنَا كَبَّرْنَا، وَإِذَا نَزَلْنَا سَبَّحْنَا).
Reference: Hisn al-Muslim 214